US2555448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing drive mechanism
Assignee: Emhart Manufacturing Co
•
Filing: 1949-06-28
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Granted: 1951-06-05
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Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Koob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:12
CPC Classifications
C; C03; C03B; C03B7/00; C03B7/08; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/1914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1376467A
Cited
US1781978A
Cited
US1734491A
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US2266838A
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US2384498A
Cited
US2427135A
Cited
US2497302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |