Patent US2989824A successfully refreshed from Google Patents.
US2989824A
Expired / Lapsed
US
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Cut-off machines
Assignee: Individual
•
Filing: 1958-01-30
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Granted: 1961-06-27
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Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 Webster E Gilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/06; B24B27/0625; B23; B23D; B23D45/00; B23D45/10; B23D47/00; B23D47/04; B23D47/045; B23D47/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272179A
Cited
US2321735A
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US2554830A
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US2521628A
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US2701015A
Cited
US2672682A
Cited
US2680939A
Cited
US2704422A
Cited
US2805521A
Cited
US2881567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |