US3396129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intumescing fire-retardant coating compositions and method for making same
Assignee: United States Department of Agriculture
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Filing: 1964-07-31
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Granted: 1968-08-06
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Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 David A Yeadon
- 👤 Eric T Rayner
- 👤 Gerald B Verburg
- 👤 Jr Lucien L Hooper
- 👤 Frank G Dollear
- 👤 Harold P Dupuy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:51
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D5/185; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C08G18/3206; C08G18/38; C08G18/3819; C08G18/3842; C08G18/3851; C08G18/3878; C08G18/67; C08G18/68; C08G18/683; C08G18/686; C08G18/70; C08G18/71; C08G64/00; C08G64/02; C08G64/0208; C09D175/00; C09D175/04; C08G2150/00; C08G2150/60
Claims Analysis
Total Claims: 0
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |