US2597930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer apparatus
Assignee: Libby Mcneill and Libby
•
Filing: 1946-03-09
•
Granted: 1952-05-27
•
Expires: 1966-03-09
Abstract
No abstract record available.
Inventors
- 👤 Grosvenor Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:58
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/02; B21; B21B; B21B39/00; B65G35/00; B65G35/06; B65G35/063; B65G47/00; B65G47/22; B65G47/24; B65G47/248; B65H; B65H9/00; B65H9/002; B65H9/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US440677A
Cited
US1516016A
Cited
US305142A
Cited
US1176228A
Cited
US1277387A
Cited
US1652419A
Cited
US1811991A
Cited
US1795137A
Cited
US1887434A
Cited
US2099226A
Cited
US2099222A
Cited
US2267429A
Cited
US2423629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |