US2585407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray booth wash and a process of making it
Assignee: Motors Liquidation Co
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Filing: 1948-04-06
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Granted: 1952-02-12
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Expires: 1968-04-06
Abstract
No abstract record available.
Inventors
- 👤 George A Rives
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/71
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE REACTION PRODUCT RESULTING FROM DISSOLVING STARCH AND FORMALDEHYDE IN WATER, HEATING THE WATER, STARCH, FORMALDEHYDE MIXTURE, AND THEREAFTER ADDING AN ALKALI METAL HYDROXIDE TO SAID MIXTURE, THE PROPORTIONS BY WEIGHT OF THE SEVERAL CONSTITUENTS BEING SUBTANTIALLY AS FOLLOWS: STARCH 0.5% TO 5%, FORMALDEHYDE (38-43% SOLUTION), 2.5% TO 20%, ALKALI METAL HYDROXIDE 5% TO 20% AND THE BALANCE TO MAKE 100%, WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |