US2616459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular saw machine for multiple grooving
Assignee: Individual
•
Filing: 1947-06-28
•
Granted: 1952-11-04
•
Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Carl E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:37
CPC Classifications
B; B27; B27F; B27F1/00; B27F1/02; B27F1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/856; Y10T83/857; Y10T83/858
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US104578A
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US384209A
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US404377A
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US496868A
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US637214A
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US1113798A
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US1098465A
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US1346269A
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US1735216A
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US2085236A
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US2353794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |