US2729076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine attachments for tools
Assignee: Individual
•
Filing: 1951-09-20
•
Granted: 1956-01-03
•
Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Thomson Allan Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:03
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/042; F16D7/044; B; B23; B23B; B23B31/00; B23B31/02; B23B31/38; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T279/17598; Y10T279/17606; Y10T279/34; Y10T279/3406; Y10T279/3412; Y10T279/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE451699C
Cited
US1789559A
Cited
US1991623A
Cited
GB418543A
Cited
US2466372A
Cited
US2446363A
Cited
US2540513A
Cited
GB654203A
Cited
US2547518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |