US3026754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-metal trimming machine
Assignee: Individual
•
Filing: 1957-02-18
•
Granted: 1962-03-27
•
Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 William A Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:48
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/001; Y; Y10; Y10T; Y10T83/00; Y10T83/384; Y10T83/395; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7513; Y10T83/869; Y10T83/8821; Y10T83/8837; Y10T83/8838; Y10T83/8841; Y10T83/8853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US199546A
Cited
US2413980A
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GB190914344A
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US1717612A
Cited
DE544929C
Cited
DE731069C
Cited
DE750447C
Cited
US2527325A
Cited
US2521974A
Cited
US2521975A
Cited
US2570919A
Cited
US2669302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |