Patent US3504050A successfully refreshed from Google Patents.
US3504050A
Expired / Lapsed
US
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Alkylene sulfide block interpolymers
Assignee: ATK Launch Systems LLC
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Filing: 1966-07-05
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Granted: 1970-03-31
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Riad H Gobran
- 👤 Stephen W Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:52
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/06; C08G75/08; Y; Y10; Y10S; Y10S524/00; Y10S524/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA480077A
Cited
US2183860A
Cited
US3222324A
Cited
US3222326A
Cited
US3225120A
Cited
FR1363722A
Cited
FR1371277A
Cited
US3365431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |