US3453857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method of bending pipe
Assignee: PICO CORP
•
Filing: 1966-10-21
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Granted: 1969-07-08
•
Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 John W Reckard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:13
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183702A
Cited
US2358857A
Cited
US2466877A
Cited
US2701002A
Cited
US2907102A
Cited
US2998836A
Cited
US3110341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |