US2844595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic azides of the phthalide type
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1954-05-24
•
Granted: 1958-07-22
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Waisbrot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:23
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/106; C07; C07D; C07D307/00; C07D307/77; C07D307/87; C07D307/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
AS A NEW COMPOSITION OF MATTER, ON ORGANIC AZIDOLACTONE HAVING THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
14 words
AS A NEW COMPOSITION OF MATTER, ON ORGANIC AZIDOLACTONE HAVING THE GENERAL STRUCTURAL FORMULA
References Cited (Backward Citations)
US2299593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |