US2650804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and process for producing latex foam continuously
Assignee: MARCO Co Inc
•
Filing: 1950-09-13
•
Granted: 1953-09-01
•
Expires: 1970-09-13
Abstract
No abstract record available.
Inventors
- 👤 Marco John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7414; B01; B01F; B01F27/00; B01F27/60; B01F27/625; B01F27/70; B01F27/701; B01F27/702; B01F27/75; B01F33/00; B01F33/80; B01F33/81; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308904A
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US782766A
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US929719A
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US1423853A
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US2509543A
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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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |