US2848909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexing apparatus
Assignee: Individual
•
Filing: 1956-04-03
•
Granted: 1958-08-26
•
Expires: 1976-04-03
Abstract
No abstract record available.
Inventors
- 👤 George H Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:51
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1412; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1710865A
Cited
US2262103A
Cited
US2385409A
Cited
US2622487A
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US2681043A
Cited
US2705940A
Cited
US2754700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |