Patent US2004540A successfully refreshed from Google Patents.
US2004540A
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Work-handling mechanism for centering and like machines
Assignee: Seneca Falls Machine Co
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Filing: 1932-06-29
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Granted: 1935-06-11
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Expires: 1952-06-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Smith
- 👤 Schinkez Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:02
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5168; Y10T29/517; Y10T408/00; Y10T408/50; Y10T408/52; Y10T408/54; Y10T408/55; Y10T408/563; Y10T408/5633; Y10T408/56337; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-06-10 | 1938-12-10 | 1939-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-10 | 1942-12-10 | 1943-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-10 | 1946-12-10 | 1947-06-11 | $7700.00 | Window Closed / Lapsed |