US2765038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for punching record cards
Assignee: Powers Samas Accounting Machines Ltd
•
Filing: 1954-01-25
•
Granted: 1956-10-02
•
Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 Rhodes Frederick Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:51
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/246; B26; B26F; B26F1/00; B26F1/02; B26F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772186A
Cited
US1976600A
Cited
US2183820A
Cited
US2160152A
Cited
US2378371A
Cited
US2578185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |