US3150387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam generator
Assignee: Individual
•
Filing: 1962-05-02
•
Granted: 1964-09-29
•
Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 George F Look
- 👤 Jr Frank M Ballentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/71; B01F35/713; B01F35/7137; B01F35/716; B01F35/7164; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29K; B29K2105/00; B29K2105/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A FLOTATION ASSEMBLY, COMPRISING: AN INFLATABLE ELASTOMERIC BAG, MEANS FOR INFLATING SAID BAG WITH BUOYANT PLASTIC FOAM, SAID MEANS FOR INFLATING SAID BAG INCLUDING A CASING MEMBER HAVING AN OPENING IN FLUID COMMUNICATION WITH SAID ELASTOMERIC BAG, A PAIR OF CONTAINERS IN WHICH ARE STORED UNEQUAL VOLUMES OF PLASTIC FOAM-PRODUCING INGREDIENTS POSITIONED IN ABUTTING RELATIONSHIP WITHIN SAID CASING MEMBER, GROOVES FORMING A SINUOUS PASSAGEWAY BETWEEN ABUTTING PORTIONS OF SAID CONTAINERS, MEANS DISPOSED WITHIN SAID PASSAGEWAY AND RESPONSIVE TO A REMOTE SIGNAL FOR SIMULTANEOUSLY RUPTURING SAID PAIR OF CONTAINERS ALONG THE LENGTH OF SAID PASSAGEWAY.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |