US2492602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand sander
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1948-11-08
•
Granted: 1949-12-27
•
Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 Thornton R Stenberg
- 👤 Fred T King
- 👤 Immermann Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:59
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/02; B24D15/023; B24D15/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US123888A
Cited
US1320299A
Cited
US842579A
Cited
GB234501A
Cited
US1946562A
Cited
US1947054A
Cited
US2285874A
Cited
US2446625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |