US2395537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubbing machine
Assignee: STERLING TOOL PRODUCTS Co
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Filing: 1943-10-04
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Granted: 1946-02-26
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Expires: 1963-10-04
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:45
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04; B24B23/046; A; A47; A47L; A47L11/00; A47L11/02; A47L11/10; A47L11/12; A47L11/125; A47L11/40; A47L11/4027; A47L11/4063; A47L11/4069; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064; Y10T74/18344; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-02-25 | 1949-08-27 | 1950-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-25 | 1953-08-27 | 1954-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-25 | 1957-08-27 | 1958-02-26 | $7700.00 | Window Closed / Lapsed |