US2540004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent stock-feeding machine
Assignee: United States Plywood Corp
•
Filing: 1947-06-09
•
Granted: 1951-01-30
•
Expires: 1967-06-09
Abstract
No abstract record available.
Inventors
- 👤 Joe B Mcfall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:00
CPC Classifications
B; B27; B27B; B27B31/00; B23; B23D; B23D47/00; B23D47/08; B27B5/00; B27B5/16; B27B5/18; B27B5/181; B27B5/182; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/4645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |