Patent US3029598A successfully refreshed from Google Patents.
US3029598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using oxalic acid as a cooling agent
Assignee: Individual
•
Filing: 1957-03-20
•
Granted: 1962-04-17
•
Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Saltarelli
- 👤 William H Bergdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:08
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50; C; C06; C06B; C06B23/00; C06B23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE PROCESS OF SUPPLYING THE COMBUSTION CHAMBER OF A ROCKET MOTOR THROUGH ONE-WAY VALVED CONDUITS WITH A ROCKET MOTOR PREPELLANT FOR THE IGNITION OF THE PROPELLANT WITHIN THE COMBUSTION CHAMBER OF THE ROCKET MOTOR AND THE PROPULSION OF THE ROCKET CONTAINING THE MOTOR, BY SUPPLYING THE MOTOR WITH ITS PROPELLANT FROM A TANK THAT IS SUBDIVIDED INTERNALLY BY A DIAPHRAGM WITH THE PROPELLANT ON ONE SIDE OF THE DIAPHRAGM AND A GAS ON THE OTHER SIDE OF THE DIAPHRAGM WITHIN THE TANK, MAINTAINING THE GAS AGAINST THE DIAPHRAGM AT A PRESSURE IN
Claim 2
Dependent Claim
92 words
THE PROCESS OF SUPPLYING THE COMBUSTION CHAMBER OF A ROCKET MOTOR THROUGH ONE-WAY VALVED CONDUITS WITH A ROCKET MOTOR PREPELLANT FOR THE IGNITION OF THE PROPELLANT WITHIN THE COMBUSTION CHAMBER OF THE ROCKET MOTOR AND THE PROPULSION OF THE ROCKET CONTAINING THE MOTOR, BY SUPPLYING THE MOTOR WITH ITS PROPELLANT FROM A TANK THAT IS SUBDIVIDED INTERNALLY BY A DIAPHRAGM WITH THE PROPELLANT ON ONE SIDE OF THE DIAPHRAGM AND A GAS ON THE OTHER SIDE OF THE DIAPHRAGM WITHIN THE TANK, MAINTAINING THE GAS AGAINST THE DIAPHRAGM AT A PRESSURE IN
References Cited (Backward Citations)
US2671312A
Cited
US2676956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |