US2856044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shift two-speed press brake
Assignee: Cincinnati Shaper Co
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Filing: 1956-12-03
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Granted: 1958-10-14
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Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Henry F Koenig Iii
- 👤 Merrill W Hazelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:30
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/14; B30B15/142; B21; B21D; B21D22/00; B30B1/00; B30B1/26; B30B1/266; B30B15/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19228; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433; Y10T74/19437
Claims Analysis
Total Claims: 0
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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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |