US2565949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for molding sheet material
Assignee: Individual
•
Filing: 1947-04-12
•
Granted: 1951-08-28
•
Expires: 1967-04-12
Abstract
No abstract record available.
Inventors
- 👤 Walter B Clifford
- 👤 Richard R Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:31
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/28; B29C43/00; B29C43/02; B29C43/10; B29C43/12; Y; Y10; Y10S; Y10S425/00; Y10S425/014; Y10S425/019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB283685A
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US1844487A
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CH191057A
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US2298037A
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US2406738A
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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) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |