US3574561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen generator system utilizing alkali metal peroxides and superoxides
Assignee: United States Department of the Navy
•
Filing: 1969-07-24
•
Granted: 1971-04-13
•
Expires: 1989-07-24
Abstract
Abstract OXYGEN IS OBTAINED BY WATERING AND ALKALI METAL PEROXIDE OR SUPEROXIDE, SINGLY OR AS A MIXTURE OF MATERIALS, BY SPRAYING WATER UPWARD ONTO THE CHEMICAL CONTAINED IN A DOWNWARDLY DIRECTED ELONGATED CARTRIDGE AND PROVIDING FOR GRAVITY ESCAPE OF THE SPRAYED WATER PLUS HYDROXIDE PRODUCT, THUS AFFORDING CONTROL OVER THE RATE OF REACTION AND BY FUNNELING THE RELEASED OXYGEN TO A DELIVERY TUBE.
Inventors
- 👤 Russel J Nickerson
- 👤 Thomas V Bolles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4436; B; B01; B01F; B01F21/00; B01F21/20; B01F21/22; C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |