US2912391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for blowing an organo-plastic material with an organo sulfamoyl azide
Assignee: Wyeth Holdings LLC
•
Filing: 1958-11-12
•
Granted: 1959-11-10
•
Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 William B Hardy
- 👤 Frederic H Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:51
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/106; Y; Y10; Y10S; Y10S521/00; Y10S521/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A PROCESS OF PRODUCING A CELLULAR ORGANO-PLASTIC MATERIAL WHICH COMPRISES INCORPORATING IN AN UNCURED ORGANO-PLASTIC MATERIAL AN ORGANIC SULFAMOYL AZIDE HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A PROCESS OF PRODUCING A CELLULAR ORGANO-PLASTIC MATERIAL WHICH COMPRISES INCORPORATING IN AN UNCURED ORGANO-PLASTIC MATERIAL AN ORGANIC SULFAMOYL AZIDE HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |