US2873628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for operating on work pieces
Assignee: Brown Co
•
Filing: 1956-01-23
•
Granted: 1959-02-17
•
Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Meredith R Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:54
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/305; B23Q; B23Q39/00; B23Q39/04; B23Q39/042; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1283; Y10T279/33; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/3809; Y10T408/381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692567A
Cited
US966816A
Cited
US2093111A
Cited
US2540186A
Cited
US2531395A
Cited
US2655384A
Cited
US2660074A
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 |