Patent US3455433A successfully refreshed from Google Patents.
US3455433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer mechanism
Assignee: Granco Equipment Inc
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Filing: 1967-11-29
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Granted: 1969-07-15
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Charles B Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:51
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/061; B21; B21C; B21C35/00; B21C35/02; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |