US2440943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1944-09-19
•
Granted: 1948-05-04
•
Expires: 1964-09-19
Abstract
No abstract record available.
Inventors
- 👤 Robert R Gonsett
- 👤 Faust R Gonsett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:36
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/04; H01H23/06; H01H9/00; H01H9/02; H01H9/04; H01H2009/048; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US812880A
Cited
US2334901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |