Patent US2871799A successfully refreshed from Google Patents.
US2871799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors
Assignee: Individual
•
Filing: 1956-03-15
•
Granted: 1959-02-03
•
Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 King Donald Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2022186A
Cited
US2635555A
Cited
US2619916A
Cited
US2601477A
Cited
US2708886A
Cited
US2619370A
Cited
US2760441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |