US2468512A
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US
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Assignee: FIRST IND CORP
•
Filing: 1945-08-30
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Granted: 1949-04-26
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Expires: 1965-08-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Riche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:12
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/40; H01H21/44; H01H21/04; H01H21/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1952184A
Cited
US1960020A
Cited
US2197379A
Cited
US2343060A
Cited
US2368926A
Cited
US2355951A
Cited
US2401390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |