US3083149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of masking a surface with a salt of a carboxylic acid and an aminoalkane prior to dyeing
Assignee: Universal Oil Products Co
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Filing: 1959-10-12
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Granted: 1963-03-26
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Hoy A Cranston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:44
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/243; C25D5/00; C25D5/02; C25D5/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962339A
Cited
US2139640A
Cited
US2559389A
Cited
US2604418A
Cited
US2642390A
Cited
US2812295A
Cited
US2930106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |