US2621609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged drive line conveyer for floor trucks
Assignee: Jervis B Webb Co
•
Filing: 1948-08-14
•
Granted: 1952-12-16
•
Expires: 1968-08-14
Abstract
No abstract record available.
Inventors
- 👤 Edward W Mccaul
- 👤 Steven W Jessop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:52
CPC Classifications
B; B61; B61J; B61J3/00; B61J3/12; B61B; B61B10/00; B61B10/04; B61B10/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2101353A
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US2485215A
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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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |