Patent US1199561A successfully refreshed from Google Patents.
US2532972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw holder and starter
Assignee: Individual
•
Filing: 1947-04-18
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Granted: 1950-12-05
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Expires: 1967-04-18
Abstract
No abstract record available.
Inventors
- 👤 Donald D Vertin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE156269C
Cited
US1408275A
Cited
GB189315985A
Cited
GB190413985A
Cited
US816777A
Cited
US954073A
Cited
FR427471A
Cited
US1027877A
Cited
US1839805A
Cited
US2370407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |