US2862836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In situ polyamide coating method
Assignee: Texaco Inc
•
Filing: 1955-03-14
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Granted: 1958-12-02
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Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Johan C D Oosterhout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/24; B05D7/26; C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD OF PROTECTING A BODY COMPRISING APPLYING TO A SURFACE THEREOF A LAYER OF A SALT OF THE FORMULA H2HCH2RCH2NH28 HOOCCH2R''CH2COOH DERIVED FROM THE REACTION OF A DIAMINE OF THE FORMULA
Claim 2
Independent Claim
32 words
A METHOD OF PROTECTING A BODY COMPRISING APPLYING TO A SURFACE THEREOF A LAYER OF A SALT OF THE FORMULA H2HCH2RCH2NH28 HOOCCH2R''CH2COOH DERIVED FROM THE REACTION OF A DIAMINE OF THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |