US2758441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow plug igniter structure
Assignee: MW Kellogg Co
•
Filing: 1952-01-31
•
Granted: 1956-08-14
•
Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 Emil O Kalil
- 👤 Sidney G Rumbold
- 👤 Pool Douglas G Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:33
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN IGNITER STRUCTURE FOR THE INITIATION OF THE COMBUSTION OF A PLURALITY OF FLUID PROPELLANT COMPONENTS COMPRISING A HOLLOW SUBSTANTIALLY CYLINDRICAL BODY HAVING CLOSED ENDS AND AN OUTLET OPENING INTERMEDIATE SAID ENDS, MEANS MOUNTED ON SAID ENDS FOR ADMITTING FLUID PROPELLANT COMPONENTS INTO SAID BODY, MEANS FOR INGITING SAID COMPONENTS COMPRISING A HEATING ELEMENT, SAID FIRST MENTIONED MEANS BEING ARRANGED IN OPPOSED RELATIONSHIP AND LOCATED FOR CONTACT OF THE ADMITTED COMPONENTS TO OCCUR AT THE APPROXIMATE MID-POINT OF SAID LAST MENTIONED MEANS.
Claim 2
Dependent Claim
82 words
AN IGNITER STRUCTURE FOR THE INITIATION OF THE COMBUSTION OF A PLURALITY OF FLUID PROPELLANT COMPONENTS COMPRISING A HOLLOW SUBSTANTIALLY CYLINDRICAL BODY HAVING CLOSED ENDS AND AN OUTLET OPENING INTERMEDIATE SAID ENDS, MEANS MOUNTED ON SAID ENDS FOR ADMITTING FLUID PROPELLANT COMPONENTS INTO SAID BODY, MEANS FOR INGITING SAID COMPONENTS COMPRISING A HEATING ELEMENT, SAID FIRST MENTIONED MEANS BEING ARRANGED IN OPPOSED RELATIONSHIP AND LOCATED FOR CONTACT OF THE ADMITTED COMPONENTS TO OCCUR AT THE APPROXIMATE MID-POINT OF SAID LAST MENTIONED MEANS.
References Cited (Backward Citations)
US2090039A
Cited
US2410881A
Cited
US2351750A
Cited
US2500334A
Cited
US2498263A
Cited
US2648951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |