US3140207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrotechnic composition
Assignee: Individual
•
Filing: 1962-12-18
•
Granted: 1964-07-07
•
Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Mary M Williams
- 👤 Lohr A Burkardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:47
CPC Classifications
C; C06; C06D; C06D3/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PYROTECHNIC COMPOSITION COMPRISING THE FOLLOWING CONSTITUENTS:
Claim 2
Dependent Claim
7 words
A PYROTECHNIC COMPOSITION COMPRISING THE FOLLOWING CONSTITUENTS:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |