Patent US4533049A successfully refreshed from Google Patents.
Patent US2802795A successfully refreshed from Google Patents.
US2802795A
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Cellular reaction products of toluene diisocyanate and an alkyd resin
Assignee: Lockheed Martin Corp
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Filing: 1952-10-10
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Granted: 1957-08-13
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Expires: 1972-10-10
Abstract
No abstract record available.
Inventors
- 👤 Simon Eli
- 👤 Frank W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:13
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/423; C08G18/4233; C08G2110/00; C08G2110/0083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885027A
Cited
US2533270A
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US2577279A
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US2577381A
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US2577280A
Cited
US2676157A
Cited
US2642403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |