US2748606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical movement
Assignee: Cornelius Co
•
Filing: 1951-11-30
•
Granted: 1956-06-05
•
Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 Nelson F Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:37
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/02; F04B9/04; F04B9/045; F04B43/00; F04B43/02; F04B53/00; F04B53/10; F04B43/12; F04B43/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2287627A
Cited
US2550392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |