US3523504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power and free conveyor
Assignee: Jervis B Webb Co
•
Filing: 1967-11-30
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Granted: 1970-08-11
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Expires: 1987-11-30
Abstract
No abstract record available.
Inventors
- 👤 Roland P Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:25
CPC Classifications
H; H01; H01K; H01K7/00; H01K7/02; B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |