US2845025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low density cellular explosive foam and products made therefrom
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1958-07-29
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Howard J Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:44
CPC Classifications
F; F42; F42B; F42B22/00; F42B22/08; C; C06; C06B; C06B21/00; C06B21/0091; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A FLOATING MINE COMPRISING A CASING, A DETONATOR MECHANISM CARRIED WITH SAID CASING, A SOLID HIGH EXPLOSIVE CARRIED INSIDE PART OF SAID CASING AND A FOAMED WATER IMPERVIOUS BUOYANT EXPLOSIVE, THE CELLS OF WHICH ARE SUBSTANTIAL NON-COMMUNICATING, FILLING THE REMAINING SPACE IN SAID CASING.
Claim 2
Dependent Claim
44 words
A FLOATING MINE COMPRISING A CASING, A DETONATOR MECHANISM CARRIED WITH SAID CASING, A SOLID HIGH EXPLOSIVE CARRIED INSIDE PART OF SAID CASING AND A FOAMED WATER IMPERVIOUS BUOYANT EXPLOSIVE, THE CELLS OF WHICH ARE SUBSTANTIAL NON-COMMUNICATING, FILLING THE REMAINING SPACE IN SAID CASING.
References Cited (Backward Citations)
US1278420A
Cited
US2062011A
Cited
US2271185A
Cited
FR916465A
Cited
US2537039A
Cited
US2541389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |