US3726730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrotechnic delay composition containing heavy metal soap
Assignee: United States Department of the Navy
•
Filing: 1972-03-20
•
Granted: 1973-04-10
•
Expires: 1992-03-20
Abstract
Abstract THIS INVENTION RELATES TO A PYRROTECHNIC TIME DELAY COMPOSITION WHICH COMPRISES TUNGSTEN, POTASSIUM PERCHLORATE, BARIUM CHROMATE, DIATOMACEOUS EARTH, AND A HEAVY METAL SOAP.
Inventors
- 👤 J Rose
- 👤 Galler R Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:21
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06; C06B; C06B33/00; C06B33/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |