US3501968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism
Assignee: EW Bliss Co Inc
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Filing: 1967-08-03
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Granted: 1970-03-24
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Expires: 1987-08-03
Abstract
No abstract record available.
Inventors
- 👤 Gary D Fredell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:00
CPC Classifications
F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; B; B26; B26D; B26D11/00; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/2092; Y10T83/2183; Y10T83/2185; Y10T83/525; Y10T83/531; Y10T83/541; Y10T83/748; Y10T83/7593; Y10T83/7607; Y10T83/7633
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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |