US3511612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemiluminescent systems
Assignee: Wyeth Holdings LLC
•
Filing: 1967-03-20
•
Granted: 1970-05-12
•
Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 George Warren Kennerly
- 👤 Michael Mckay Rauhut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:44
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07; F; F21; F21K; F21K2/00; F21K2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2420286A
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US2977320A
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US3271113A
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US3285703A
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US3245758A
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US3287089A
Cited
US3352791A
Cited
US3360473A
Cited
US3400080A
Cited
US3325417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |