US3051428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-leveling holding device
Assignee: Individual
•
Filing: 1960-05-12
•
Granted: 1962-08-28
•
Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Albert W Schult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:04
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/14; E06C7/146; Y; Y10; Y10S; Y10S248/00; Y10S248/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392105A
Cited
US2735641A
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US649545A
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US1203412A
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US1406399A
Cited
US1957353A
Cited
US2056527A
Cited
US2412756A
Cited
US2520412A
Cited
US2894700A
Cited
US2883134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |