US3535948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Worm gearing
Assignee: Individual
•
Filing: 1968-11-29
•
Granted: 1970-10-27
•
Expires: 1988-11-29
Abstract
No abstract record available.
Inventors
- 👤 John Harold Winzeler
- 👤 Frank J Rychlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/4948; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49893; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310232A
Cited
US2845809A
Cited
US2951053A
Cited
US2976741A
Cited
US3127784A
Cited
US3174356A
Cited
US3429700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |