US3043060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle sharpening apparatus
Assignee: Commonwealth Scientific and Industrial Research Organisation
•
Filing: 1959-10-28
•
Granted: 1962-07-10
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bell George Anketell
- 👤 Lobb James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670593A
Cited
GB190509233A
Cited
US2180952A
Cited
US2368108A
Cited
US2404282A
Cited
US2663976A
Cited
US2797534A
Cited
US2821051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |