US2801730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard equipment for roller type conveyors
Assignee: J A WEBB BELTING Co Inc
•
Filing: 1956-07-30
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Granted: 1957-08-06
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Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Robert R Strickler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:51
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G21/00; B65G21/20; B65G21/2045; B65G21/2063; B65G21/2072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23079E
Cited
US2422726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |