US2658874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke agent
Assignee: Individual
•
Filing: 1951-08-22
•
Granted: 1953-11-10
•
Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 John P Clay
- 👤 Hervey B Elkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
C; C06; C06D; C06D3/00; C06B; C06B39/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PLASTIC CHEMICAL SMOKE PRODUCING FILLING FOR MUNITIONS CONSISTING, BY WEIGHT, ESSENTIALLY OF A MIXTURE OF FROM ABOUT 50% TO ABOUT 75% RED PHOSPHORUS, FROM ABOUT 2% TO ABOUT 6% ISOBUTYLMETHACRYLATE POLYMERS AND A HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF GASOLINE AND XYLENE.
Claim 2
Dependent Claim
45 words
A PLASTIC CHEMICAL SMOKE PRODUCING FILLING FOR MUNITIONS CONSISTING, BY WEIGHT, ESSENTIALLY OF A MIXTURE OF FROM ABOUT 50% TO ABOUT 75% RED PHOSPHORUS, FROM ABOUT 2% TO ABOUT 6% ISOBUTYLMETHACRYLATE POLYMERS AND A HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF GASOLINE AND XYLENE.
References Cited (Backward Citations)
GB191507314A
Cited
US1329443A
Cited
US1419295A
Cited
GB269979A
Cited
US1863517A
Cited
US2149694A
Cited
US2574466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |