US3007344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tightening and cushioning device for endless driven members
Assignee: AO Smith Corp
•
Filing: 1959-12-31
•
Granted: 1961-11-07
•
Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Joha W Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:23
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806901A
Cited
US2612988A
Cited
US2702485A
Cited
DE958070C
Cited
US2764031A
Cited
US2887342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |