US2716599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dark burning igniter composition
Assignee: Individual
•
Filing: 1949-12-01
•
Granted: 1955-08-30
•
Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Heiskeil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:35
CPC Classifications
C; C06; C06B; C06B33/00; C06C; C06C7/00; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A HIGHLY STABLE DARK BURNING IGNITER COMPOSITION COMPRISING FROM 85 TO 45% OF BISMUTH TROXIDE, FROM 15 TO 55% MANGANESE, AND UP TO 10% OF A BINDER.
Claim 2
Dependent Claim
27 words
A HIGHLY STABLE DARK BURNING IGNITER COMPOSITION COMPRISING FROM 85 TO 45% OF BISMUTH TROXIDE, FROM 15 TO 55% MANGANESE, AND UP TO 10% OF A LUBRICANT.
References Cited (Backward Citations)
US1925641A
Cited
US2450892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |