US3239406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemiluminescent structures and their preparation
Assignee: EIDP Inc
•
Filing: 1962-10-17
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Granted: 1966-03-08
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Donald D Coffman
- 👤 Hilmer E Winberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:22
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07; Y; Y10; Y10S; Y10S116/00; Y10S116/14; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
19 words
A CHEMILUMINESCENT TAPE COMPRISING A SELF-SUPPORTING, INHERENTLY ADHESIVE, FLEXIBLE CHEMILUMINESCENT LAYER CONTAINING AT LEAST ONE TETRAKIS(DISUBSTITUTEDAMINO)ETHYLENE OF THE FORMULA
References Cited (Backward Citations)
US2387512A
Cited
US2941005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |