US3515772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclized polydiene-polyether resins
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1966-08-04
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Granted: 1970-06-02
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Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Hyman R Lubowitz
- 👤 Eugene A Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
C; C08; C08L; C08L9/00; C08C; C08C19/00; C08C19/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/69; C08G18/698; C08G69/00; C08G73/00; C08G73/02; C08G73/06; C08G73/10; C08G73/12; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2439514A
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US2877212A
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US2968647A
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US3055952A
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US3135716A
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US3147313A
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GB957788A
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US3084141A
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US3203944A
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US3338861A
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US3285949A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |