US3028977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety stop mechanism
Assignee: Alliance Machine Co
•
Filing: 1958-04-21
•
Granted: 1962-04-10
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Myron R Bowerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
B; B66; B66C; B66C13/00; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848932A
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US1951088A
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US1867450A
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US1975094A
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US2128660A
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US2260634A
Cited
US2336485A
Cited
US2845263A
Cited
US2778506A
Cited
US2708110A
Cited
US2844431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |