US2677280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical movement
Assignee: Individual
•
Filing: 1951-03-13
•
Granted: 1954-05-04
•
Expires: 1971-03-13
Abstract
No abstract record available.
Inventors
- 👤 Ceulemans Joannes Josep Paulus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:28
CPC Classifications
C; C07; C07D; C07D475/00; C07D475/12; C07D475/14; F; F02; F02B; F02B75/00; F02B75/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176
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) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |