Patent US2667788A successfully refreshed from Google Patents.
US2667788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long-stroke press drive means
Assignee: Individual
•
Filing: 1950-12-14
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Granted: 1954-02-02
•
Expires: 1970-12-14
Abstract
No abstract record available.
Inventors
- 👤 May Otto
- 👤 Hecht Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:11
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/10; B30B1/106; B30B1/16; F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/22; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |