US2478485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad forming machine
Assignee: Individual
•
Filing: 1947-04-29
•
Granted: 1949-08-09
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:59
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15707; A61F13/15723; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2087; Y10T83/2092; Y10T83/2094; Y10T83/2192; Y10T83/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1936485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |