US1214786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent worm-gearing.
Assignee: Educational Motion Picture Machine & Film Co
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Filing: 1913-11-10
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Granted: 1917-02-06
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Expires: 1933-11-10
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:15
CPC Classifications
F; F16; F16H; F16H27/00; F16H27/04; F16H27/045; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-02-06 | 1920-08-07 | 1921-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-06 | 1924-08-07 | 1925-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-06 | 1928-08-07 | 1929-02-06 | $7700.00 | Window Closed / Lapsed |