Patent US4517677A successfully refreshed from Google Patents.
US2536637A
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Drawbench
Assignee: Aetna Standard Engineering Co
•
Filing: 1945-06-13
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Granted: 1951-01-02
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Expires: 1965-06-13
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Garwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:35
CPC Classifications
B; B21; B21C; B21C19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132531A
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US981304A
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US1388905A
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US1765047A
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US1812359A
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US1870419A
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US2196155A
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US2331953A
Cited
US2367793A
Cited
US2391908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |