US3538413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepped driven differentially geared motor system
Assignee: Monotype Corp Ltd
•
Filing: 1967-04-04
•
Granted: 1970-11-03
•
Expires: 1987-04-04
Abstract
No abstract record available.
Inventors
- 👤 Howard Raymond Baylis
- 👤 Josef Maria Herbert Tiefenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:01
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/40; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41105; G05B2219/41264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2442069A
Cited
US2941136A
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US3077555A
Cited
US3189886A
Cited
US3328659A
Cited
US3146386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |