Patent US2519936A successfully refreshed from Google Patents.
US2519936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power tool
Assignee: Individual
•
Filing: 1946-06-20
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Granted: 1950-08-22
•
Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Sayre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:20
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/90; A01D34/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370768A
Cited
US1981076A
Cited
AT138928B
Cited
US2119962A
Cited
US2326335A
Cited
US2434089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |