US2482121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Notching machine
Assignee: Individual
•
Filing: 1944-10-03
•
Granted: 1949-09-20
•
Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Norquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/08; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T29/00; Y10T29/51; Y10T29/5147; Y10T29/5148; Y10T29/5149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US231209A
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US524726A
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US936673A
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US1567078A
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GB223815A
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US1725584A
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US1812046A
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US2274765A
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US2120902A
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US2193018A
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US2342835A
Cited
US2348875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |