Patent US3116431A successfully refreshed from Google Patents.
Patent US2849084A successfully refreshed from Google Patents.
US2849084A
Expired / Lapsed
US
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Flush floor mounted safety latch for hydraulic lifts
Assignee: Joyce Cridland Co
•
Filing: 1954-09-09
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Granted: 1958-08-26
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Expires: 1974-09-09
Abstract
No abstract record available.
Inventors
- 👤 Ion V K Hott
- 👤 David M Goldzwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:30
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/10; B66F7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764141A
Cited
US1584013A
Cited
US1984517A
Cited
US1993447A
Cited
US2201189A
Cited
US2593630A
Cited
US2608381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |