US3073475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel and method of making the same
Assignee: 3M Co
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Filing: 1959-10-30
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Granted: 1963-01-15
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Fingerhut Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:48
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/16; B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602; B65; B65D; B65D11/00; B65D11/02; B65D13/00; B29L; B29L2031/00; B29L2031/712; B29L2031/7154; B29L2031/7156; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0614; F17C2203/0619; F17C2203/0621; F17C2203/0634; F17C2203/0658; F17C2203/0663; F17C2203/0673; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2209/2163; F17C2209/23; F17C2209/232; F17C2270/00; F17C2270/05; Y; Y10; Y10S; Y10S138/00; Y10S138/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A HOLLOW PRESSURE VESSEL OR THE LIKE COMPRISING A GENERALLY CYLINDRICAL TUBULAR LINER, A CUP-SHAPED END CAP HAVING A LIP PORTION IN TELESCOPED RELATION WITH ONE END OF SAID LINER, SAID LIP PORTION BEING FORMED WITH A SUBSTANTIALLY CYLINDRICAL FIRST EXTERNAL SURFACE, SAID CAP BEING FORMED WITH A REDUCED DIAMETER COAXIAL SUBSTANTIALLY CYLINDRICAL SECOND EXTERNAL SURFACE DEFINING WITH SAID FIRST SURFACE A COAXIAL ANNULAR SHOULDER, THE AXIAL DIMENSION OF EACH OF SAID FIRST AND SECOND CYLINDRICAL SURFACES BEING SUBSTANTIALLY GREATER THAN THE RADIAL DIMENSION OF SAID ANNULAR SHOULDER BETWEEN SAID CYLINDRICAL SURFACES, A FIRST LAYER OF NONWOVEN UNIDIRECTIONAL FILAMENT MEANS FORMED SUBSTANTIALLY ENTIRELY OF SUBSTANTIALLY STRAIGHT FILAMENTS EXTENDING GENERALLY PARALLEL WITH THE AXIS OF SAID LINER AND OVERLAYING SAID LINER, SAID FIRST AND SECOND SURFACES AND SAID SHOULDER, A SECOND LAYER OF FILAMENT MEANS WOUND CIRCUMFERENTIALLY IN OVERLAYING RELATION WITH RESPECT TO SAID FIRST LAYER AND PRESSING SAID FIRST LAYER INTO ENGAGEMENT WITH SAID FIRST AND SECOND SURFACES AND SAID SHOULDER, AND A HARDENED RESINOUS BINDER IMPREGNATING SAID FIRST AND SECOND LAYERS.
Claim 2
Dependent Claim
172 words
A HOLLOW PRESSURE VESSEL OR THE LIKE COMPRISING A GENERALLY CYLINDRICAL TUBULAR LINER, A CUP-SHAPED END CAP HAVING A LIP PORTION IN TELESCOPED RELATION WITH ONE END OF SAID LINER, SAID LIP PORTION BEING FORMED WITH A SUBSTANTIALLY CYLINDRICAL FIRST EXTERNAL SURFACE, SAID CAP BEING FORMED WITH A REDUCED DIAMETER COAXIAL SUBSTANTIALLY CYLINDRICAL SECOND EXTERNAL SURFACE DEFINING WITH SAID FIRST SURFACE A COAXIAL ANNULAR SHOULDER, THE AXIAL DIMENSION OF EACH OF SAID FIRST AND SECOND CYLINDRICAL SURFACES BEING SUBSTANTIALLY GREATER THAN THE RADIAL DIMENSION OF SAID ANNULAR SHOULDER BETWEEN SAID CYLINDRICAL SURFACES, A FIRST LAYER OF NONWOVEN UNIDIRECTIONAL FILAMENT MEANS FORMED SUBSTANTIALLY ENTIRELY OF SUBSTANTIALLY STRAIGHT FILAMENTS EXTENDING GENERALLY PARALLEL WITH THE AXIS OF SAID LINER AND OVERLAYING SAID LINER, SAID FIRST AND SECOND SURFACES AND SAID SHOULDER, A SECOND LAYER OF FILAMENT MEANS WOUND CIRCUMFERENTIALLY IN OVERLAYING RELATION WITH RESPECT TO SAID FIRST LAYER AND PRESSING SAID FIRST LAYER INTO ENGAGEMENT WITH SAID FIRST AND SECOND SURFACES AND SAID SHOULDER, AND A HARDENED RESINOUS BINDER IMPREGNATING SAID FIRST AND SECOND LAYERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |