US2909383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanding device
Assignee: Individual
•
Filing: 1958-02-27
•
Granted: 1959-10-20
•
Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Nanfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/04; B60B39/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223722A
Cited
US2414653A
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US2572999A
Cited
US2484985A
Cited
US2550608A
Cited
US2674478A
Cited
US2768013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |