US2633193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic self-feed die set
Assignee: D FERGUSON
•
Filing: 1948-04-29
•
Granted: 1953-03-31
•
Expires: 1968-04-29
Abstract
No abstract record available.
Inventors
- 👤 John D Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:57
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4511; Y10T83/4539; Y10T83/4541; Y10T83/4554; Y10T83/929; Y10T83/9411; Y10T83/9416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US113863A
Cited
US169408A
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US859220A
Cited
US1052680A
Cited
GB191302568A
Cited
US1907760A
Cited
US2363540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |