US3011750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe squeezing apparatus
Assignee: REGENT JACK Mfg CO Inc
•
Filing: 1958-08-19
•
Granted: 1961-12-05
•
Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Carl H Johnson
- 👤 Frank S Pearne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:38
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/04; B21D41/045; F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06; F16K7/063; Y; Y10; Y10S; Y10S100/00; Y10S100/902; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7559
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316048A
Cited
US2098548A
Cited
US2150262A
Cited
US2254084A
Cited
US2289597A
Cited
US2246348A
Cited
US2708882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |