Patent US3260715A successfully refreshed from Google Patents.
US3260715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent bis-benzoxazolyl stilbenes
Assignee: Eastman Kodak Co
•
Filing: 1963-04-16
•
Granted: 1966-07-12
•
Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 David G Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:04
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/62; C07D263/64; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; D; D01; D01F; D01F1/00; D01F1/02; D01F1/06; G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A FLUORESCENT COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
6 words
A FLUORESCENT COMPOUND OF THE FORMULA
References Cited (Backward Citations)
CA622718A
Cited
FR1293281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |