US2654462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer drive mechanism
Assignee: Hanson Van Winkle Munning Co
•
Filing: 1949-05-28
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Granted: 1953-10-06
•
Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Todd Guerin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:38
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409; B65G49/0436; B65G49/044; B65G49/045; B65G49/0454; B65G49/0463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US285943A
Cited
US798833A
Cited
FR729019A
Cited
US2145399A
Cited
US2214262A
Cited
US2175788A
Cited
US2398059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |