US2658736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of foamed products
Assignee: EDWARD D ANDREWS
•
Filing: 1950-04-15
•
Granted: 1953-11-10
•
Expires: 1970-04-15
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:20
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7414; B01; B01F; B01F27/00; B01F27/80; B01F27/805; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/402; B29B7/405; B29B7/408; B29B7/42; B29B7/422; B29B7/424; B29B7/425; B29B7/58; B29B7/60; B29B7/603; B29B7/7476; B29B7/7495; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064; Y; Y10; Y10S; Y10S366/00; Y10S366/604; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US856731A
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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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |