Patent US3136186A successfully refreshed from Google Patents.
US3136186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube bend former
Assignee: Individual
•
Filing: 1961-12-04
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Granted: 1964-06-09
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Floyd C Grazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:20
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21D7/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A TUBE BEND FORMER COMPRISING A FLAT, RIGID BAR HAVING ONE END PORTION FORMED AS A MANIPULATING HANDLE, A SEMI-CYLINDRICAL BOSS FIXED ON ONE SIDE OF SAID BAR INWARDLY ADJACENT THE END THEREOF REMOTE FROM THE HANDLE PORTION WITH THE AXIS OF SAID BOSS TRANSVERSE OF AND SPACED MODERATELY FROM SAID ONE SIDE OF THE BAR, A CHANNEL FORMED IN AND OPENING RADIALLY OUTWARDLY OF THE ARCUATE PERIPHERY OF SAID BOSS, THROAT CONTINUATIONS PERPENDICULARLY INTERSECTING SAID BAR IN TANGENTIAL REGISTRATION WITH THE ENDS OF SAID CHANNEL, AND AN OPEN-ENDED SLOT EXTENDING LATERALLY FROM ONE SIDE EDGE OF THE BAR IN COMMUNICATING REGISTRATION WITH EACH SAID THROAT CONTINUATION.
Claim 2
Dependent Claim
107 words
A TUBE BEND FORMER COMPRISING A FLAT, RIGID BAR HAVING ONE END PORTION FORMED AS A MANIPULATING HANDLE, A SEMI-CYLINDRICAL BOSS FIXED ON ONE SIDE OF SAID BAR INWARDLY ADJACENT THE END THEREOF REMOTE FROM THE HANDLE PORTION WITH THE AXIS OF SAID BOSS TRANSVERSE OF AND SPACED MODERATELY FROM SAID ONE SIDE OF THE BAR, A CHANNEL FORMED IN AND OPENING RADIALLY OUTWARDLY OF THE ARCUATE PERIPHERY OF SAID BOSS, THROAT CONTINUATIONS PERPENDICULARLY INTERSECTING SAID BAR IN TANGENTIAL REGISTRATION WITH THE ENDS OF SAID CHANNEL, AND AN OPEN-ENDED SLOT EXTENDING LATERALLY FROM ONE SIDE EDGE OF THE BAR IN COMMUNICATING REGISTRATION WITH EACH SAID THROAT CONTINUATION.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |