Patent US2982320A successfully refreshed from Google Patents.
US2982320A
Expired / Lapsed
US
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Overhang flush trimmer
Assignee: Individual
•
Filing: 1959-07-30
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Granted: 1961-05-02
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Trumbull
- 👤 Helmer M Halverson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:12
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/02; B27B5/08; B23; B23D; B23D57/00; B23D57/0076; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10T; Y10T408/00; Y10T408/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751820A
Cited
US1135714A
Cited
US1216340A
Cited
US1206461A
Cited
DE341974C
Cited
US2520875A
Cited
US2714905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |