US3510561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfone-enhanced heparin absorption through mucous membranes
Assignee: Maple Leaf Foods Inc
•
Filing: 1969-08-18
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Granted: 1970-05-05
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Expires: 1989-08-18
Abstract
No abstract record available.
Inventors
- 👤 Teow Yan Koh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126320A
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US2656298A
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US2805977A
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US2875130A
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US3088868A
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US3098793A
Cited
US3181996A
Cited
US3146167A
Cited
US3232833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |