US2910495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent compositions
Assignee: Individual
•
Filing: 1956-09-17
•
Granted: 1959-10-27
•
Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 George Paul John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:57
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A FLUORERSCENT, NON-RESINOUS, POLYMERIC, HIGH MOLECULAR WEIGHT, ORGANIC REACTION PRODUCT COMPRISING SILICONCARBON LINKAGES IN THE POLYMERIC CHAIN PREPARED BY REACTING A MONO-GRIGNARD REAGENT HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
27 words
A FLUORERSCENT, NON-RESINOUS, POLYMERIC, HIGH MOLECULAR WEIGHT, ORGANIC REACTION PRODUCT COMPRISING SILICONCARBON LINKAGES IN THE POLYMERIC CHAIN PREPARED BY REACTING A MONO-GRIGNARD REAGENT HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2352974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |