Patent US3451352A successfully refreshed from Google Patents.
US3451352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor carrier with selectively operable dogs
Assignee: Jervis B Webb Co
•
Filing: 1966-02-10
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Granted: 1969-06-24
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Byrl E Curry
- 👤 Clarence A Dehne
- 👤 Joseph W Farley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:06
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2883942A
Cited
US3229645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |