Patent US1637840A successfully refreshed from Google Patents.
Patent US3150690A successfully refreshed from Google Patents.
US3150690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe patch
Assignee: Individual
•
Filing: 1963-05-14
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Granted: 1964-09-29
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Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 Gilbert L Danielson
- 👤 Frank C Futral
- 👤 William D Shipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:18
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/1683
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PIPE PATCH, COMPRISING A FRAME HAVING SIDE WALLS WITH LOWER EDGES SEATABLE UPON THE PIPE AT OPPOSITE SIDES OF A LEAK THEREIN AND A TOP WALL EXTENDING BETWEEN THE SIDE WALLS ABOVE THE PIPE, AT LEAST ONE END OF THE FRAME BEING OPEN, A PAD HAVING A SEALING SURFACE ON ONE SIDE AND SLIDABLE THROUGH THE OPEN END OF THE FRAME AND BENEATH THE TOP WALL THEREOF TO DISPOSE SAID SEALING SURFACE OVER THE LEAK, AND MEANS ON THE FRAME FOR ENGAGING THE OTHER SIDE OF THE PAD TO URGE THE SEALING SURFACE THEREOF INTO SEALING ENGAGEMENT WITH THE PIPE ABOUT THE LEAK.
Claim 2
Dependent Claim
104 words
A PIPE PATCH, COMPRISING A FRAME HAVING SIDE WALLS WITH LOWER EDGES SEATABLE UPON THE PIPE AT OPPOSITE SIDES OF A LEAK THEREIN AND A TOP WALL EXTENDING BETWEEN THE SIDE WALLS ABOVE THE PIPE, AT LEAST ONE END OF THE FRAME BEING OPEN, A PAD HAVING A SEALING SURFACE ON ONE SIDE AND SLIDABLE THROUGH THE OPEN END OF THE FRAME AND BENEATH THE TOP WALL THEREOF TO DISPOSE SAID SEALING SURFACE OVER THE LEAK, AND MEANS ON THE FRAME FOR ENGAGING THE OTHER SIDE OF THE PAD TO URGE THE SEALING SURFACE THEREOF INTO SEALING ENGAGEMENT WITH THE PIPE ABOUT THE LEAK.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |