US2535491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroke saw
Assignee: Individual
•
Filing: 1947-04-14
•
Granted: 1950-12-26
•
Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 Philip C Felton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/02; B23D51/025; B23D51/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303728A
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US578382A
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US105767A
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US1643721A
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US871142A
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US902656A
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US1445820A
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US1475453A
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US1620374A
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US1648008A
Cited
US1826188A
Cited
US1955350A
Cited
GB465535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |