US2495691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control unit
Assignee: Individual
•
Filing: 1945-09-12
•
Granted: 1950-01-31
•
Expires: 1965-09-12
Abstract
No abstract record available.
Inventors
- 👤 Linn S Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:53
CPC Classifications
G; G05; G05G; G05G7/00; G05G13/00; G05G7/02; G05G7/10; G05G2700/00; G05G2700/20; G05G2700/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19112; Y10T74/19642; Y10T74/1966; Y10T74/19665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US109114A
Cited
US336783A
Cited
US573119A
Cited
US573779A
Cited
US1006169A
Cited
US1265742A
Cited
US2214458A
Cited
US2301858A
Cited
US2366734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |