US2673723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing latex foam
Assignee: Uniroyal Inc
•
Filing: 1950-06-08
•
Granted: 1954-03-30
•
Expires: 1970-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alexis W Keen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:46
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/80; B01F33/82; B01F33/821; B01F33/8212; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7414; B29K; B29K2021/00; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10S264/00; Y10S264/13; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 0
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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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |