Patent US3334401A successfully refreshed from Google Patents.
US3334401A
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Method of forming fluid passages
Assignee: ST BARNABAS BROTHERHOOD Inc
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Filing: 1965-03-04
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Granted: 1967-08-08
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul Oliver W Hopkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:19
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2224; Y10T29/00; Y10T29/49; Y10T29/49394; Y10T29/494; Y10T29/49799
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF FORMING A FLUID PASSAGE, COMPRISING CUTTING A FLAT SHEET TO REMOVE A SECTION THEREFROM THAT FORMS IN THE SHEET A SLOT HAVING CLOSED ENDS, SEALING THE SLOTTED SHEET BETWEEN A PAIR OF BACKING MEMBERS THAT COVER ALL OF SAID SLOT EXCEPT ITS ENDS SO THAT THE ENDS OF THE SHEET PROJECT FROM BETWEEN SAID MEMBERS, AND THEN REMOVING SAID PROJECTING ENDS OF THE SHEET TO OPEN THE ENDS OF THE SLOT AND THEREBY FORM A THROUGH-PASSAGE BETWEEN SAID BACKING MEMBERS.
Claim 2
Independent Claim
83 words
THE METHOD OF FORMING A FLUID PASSAGE, COMPRISING CUTTING A FLAT SHEET TO REMOVE A SECTION THEREFROM THAT FORMS IN THE SHEET A SLOT HAVING CLOSED ENDS, SEALING THE SLOTTED SHEET BETWEEN A PAIR OF BACKING MEMBERS THAT COVER ALL OF SAID SLOT EXCEPT ITS ENDS SO THAT THE ENDS OF THE SHEET PROJECT FROM BETWEEN SAID MEMBERS, AND THEN REMOVING SAID PROJECTING ENDS OF THE SHEET TO OPEN THE ENDS OF THE SLOT AND THEREBY FORM A THROUGH-PASSAGE BETWEEN SAID BACKING MEMBERS.
References Cited (Backward Citations)
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Cited
US2644665A
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US2704882A
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US3144037A
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US3168897A
Cited
FR1369417A
Cited
US3282297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |