Patent US2149792A successfully refreshed from Google Patents.
US2560102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sander
Assignee: Individual
•
Filing: 1946-10-24
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Granted: 1951-07-10
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Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Guinn J Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:00
CPC Classifications
E; E01; E01B; E01B31/00; E01B31/02; E01B31/12; E01B31/17; E01B31/175; B; B24; B24B; B24B23/00; B24B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535489A
Cited
US1695090A
Cited
US1829440A
Cited
US2060266A
Cited
US2188972A
Cited
US2279783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |