US2554730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tenoning and grooving attachment for shapers
Assignee: WOOLSTON CHANDLER Co
•
Filing: 1947-11-17
•
Granted: 1951-05-29
•
Expires: 1967-11-17
Abstract
No abstract record available.
Inventors
- 👤 Marvin J Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:49
CPC Classifications
B; B27; B27F; B27F1/00; B27F1/02; B27F1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/647; Y10T83/6572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2085236A
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US2310813A
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US2374899A
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US2463438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |