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US3483276A
Expired / Lapsed
US
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Blends of modified and unmodified polypropylene
Assignee: Hercules LLC
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Filing: 1964-12-04
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Granted: 1969-12-09
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Bert H Mahlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:36
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/14; C08L23/142; C08L51/00; C08L51/06; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D123/00; C09D123/02; C09D123/10; C08L2207/00; C08L2207/10; C08L2207/14
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |