Patent US3272671A successfully refreshed from Google Patents.
US3272671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composite fiber and metal tubular container body
Assignee: Greif Inc
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Filing: 1963-08-28
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Granted: 1966-09-13
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Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 Paul C Gaylord
- 👤 Jr Herbert L Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:11
CPC Classifications
B; B65; B65D; B65D15/00; B65D15/02; B21; B21D; B21D51/00; B21D51/16; B21D51/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF MAKING A COMPOSITE FIBER AND METAL TUBULAR CONTAINER BODY WHICH COMPRISES: PROVIDING A FIRST TUBULAR SHELL MADE OF WOUND LAYERS OF FIBER ADHESIVELY LAMINATED TOGETHER; PROVIDING A SECOND TUBULAR SHELL WITH AN OUTSIDE DIAMETER NO GREATER THAN AND APPROXIMATING THE INSIDE DIAMETER OF THE FIRST SHELL AND MADE OF SHEET METAL OR SUFFICIENT RESILIENCE SO THAT THE SHELL MAY BE DIAMETRICALLY COMPRESSED AND WILL THEREAFTER RESUME IS NORMAL SHAPE; APPLYING COMPRESSIVE FORCE TO THE SECOND SHELL ACROSS INTERSECTING TRANSVERSE AXES SO THAT ALL OUTSIDE DIAMETERS OF THE SECOND SHELL ARE REDUCED TO A DIMENSION
Claim 2
Independent Claim
97 words
THE METHOD OF MAKING A COMPOSITE FIBER AND METAL TUBULAR CONTAINER BODY WHICH COMPRISES: PROVIDING A FIRST TUBULAR SHELL MADE OF WOUND LAYERS OF FIBER ADHESIVELY LAMINATED TOGETHER; PROVIDING A SECOND TUBULAR SHELL WITH AN OUTSIDE DIAMETER NO GREATER THAN AND APPROXIMATING THE INSIDE DIAMETER OF THE FIRST SHELL AND MADE OF SHEET METAL OR SUFFICIENT RESILIENCE SO THAT THE SHELL MAY BE DIAMETRICALLY COMPRESSED AND WILL THEREAFTER RESUME IS NORMAL SHAPE; APPLYING COMPRESSIVE FORCE TO THE SECOND SHELL ACROSS INTERSECTING TRANSVERSE AXES SO THAT ALL OUTSIDE DIAMETERS OF THE SECOND SHELL ARE REDUCED TO A DIMENSION
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |