US2420827A
Expired / Lapsed
US
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Assignee: GEN TIME INSTR CORP
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Filing: 1944-08-14
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Granted: 1947-05-20
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Expires: 1964-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jesse J Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:38
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/061; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1091153A
Cited
FR666179A
Cited
US1752446A
Cited
US1965762A
Cited
US1964857A
Cited
US2008338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |