US2484331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cam structure
Assignee: Hazeltine Research Inc
•
Filing: 1945-12-06
•
Granted: 1949-10-11
•
Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 Basil A Bels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:28
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/143; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US877687A
Cited
US1684519A
Cited
US1965281A
Cited
US2066246A
Cited
US2196416A
Cited
US2219302A
Cited
US2310720A
Cited
US2399702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |