US2608103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Worm gear drive
Assignee: TIMES FACSIMILE Corp
•
Filing: 1949-01-28
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Granted: 1952-08-26
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Expires: 1969-01-28
Abstract
No abstract record available.
Inventors
- 👤 John R Shonnard
- 👤 Hans F Steen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:05
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535; Y10T403/70; Y10T403/7016; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |