US2444946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch
Assignee: Individual
•
Filing: 1945-12-14
•
Granted: 1948-07-13
•
Expires: 1965-12-14
Abstract
No abstract record available.
Inventors
- 👤 James F Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:38
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/003; B60; B60K; B60K7/00; B60K7/0007; B60L; B60L8/00; B60L8/003; B60L8/006; F; F03; F03D; F03D9/00; F03D9/20; F03D9/25; B60K1/00; B60K1/02; B60K17/00; B60K17/04; B60K17/043; B60K2007/0061; B60K16/00; B60K2016/003; B60L2220/00; B60L2220/40; B60L2220/44; B60L2220/46; F05; F05B; F05B2240/00; F05B2240/90; F05B2240/94; F05B2240/941; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y02T; Y02T10/00; Y02T10/60; Y02T10/7072; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/22; Y10T83/2203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US369970A
Cited
US2229393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |