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Patent US3491394A successfully refreshed from Google Patents.
US3491394A
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Assignee: T AND S EQUIPMENT Co
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Filing: 1967-08-22
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Granted: 1970-01-27
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Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert L Le Clear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:51
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/287; B65G69/2876; B65G69/2894
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |