Patent US2284336A successfully refreshed from Google Patents.
US2284336A
Expired / Lapsed
US
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Boring machine
Assignee: Individual
•
Filing: 1941-04-26
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Granted: 1942-05-26
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Expires: 1961-04-26
Abstract
No abstract record available.
Inventors
- 👤 Noah E Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:52
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03478; B23B29/03485; B23B29/02; B23Q; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q17/2225; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/854; Y10T408/855; Y10T408/89; Y10T408/904; Y10T408/9048; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T82/00; Y10T82/12
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) | 1945-05-25 | 1945-11-24 | 1946-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-25 | 1949-11-24 | 1950-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-25 | 1953-11-24 | 1954-05-26 | $7700.00 | Window Closed / Lapsed |