Patent US2873632A successfully refreshed from Google Patents.
US2873632A
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US
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Apparatus for boring tubular work
Assignee: Individual
•
Filing: 1955-11-01
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Granted: 1959-02-17
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Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Bissey Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:48
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/12; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/55; Y10T408/557; Y10T408/566; Y10T408/5665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806011A
Cited
US1002457A
Cited
FR446426A
Cited
GB127681A
Cited
US1304981A
Cited
US2283491A
Cited
US2283497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |