US2923952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
T sawdey
Assignee: —
•
Filing: —
•
Granted: 1960-02-09
•
Expires: 1977-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/10; B23Q7/106; B23Q7/003; Y; Y10; Y10S; Y10S470/00; Y10S470/901; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/3809; Y10T408/47; Y10T408/476; Y10T408/52; Y10T408/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2728327A
Cited
US2688144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |