US3021748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for bonding support rods in propellant grains
Assignee: Phillips Petroleum Co
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Filing: 1958-05-19
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Granted: 1962-02-20
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/36; F02K9/10; F02K9/20; Y; Y10; Y10S; Y10S228/00; Y10S228/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR SIMULTANEOUSLY BONDING A PLURALITY OF PERFORATED, EXTERNAL BURNING ROCKET GRAINS TO SUPPORT RODS POSITIONED IN THE PERFORATIONS THEREOF SO AS TO WITHSTAND THE FORCES FO ACCELERATION WHICH COMPRISES FORMING EACH SUPPORT ROD WITH AN AXIAL OPENING THERETHORUGH AND A PLUALITY OF RADIAL OPENINGS THERETHROUGH IN COMMUNICATION WITH SAID AXIAL OPENING; ASSEMBLING THE PLURALITY OF GRAINS INTO A UNITARY BUNDLE WITH THE SUPPORT RODS PASSING THROUGH THE PERFORATIONS OF THE GRAINS, THROUGH A PLUALITY OF SUPPORT PLATES AND THROUGH A PLUALITY OF SPACER MEANS; SECURING THE SUPPORT RODS IN POSITION SO AS TO FORM AN ANNULUS BETWEEN EACH ROD AND GRAIN; FILLING THE AXIAL OPEININGS AND RADICAL OPENINGS OF THE RODS AND THE ANNULUS WITH A FLUID BONDING AGENT; AND CURING SAID BONDING AGENT.
Claim 2
Dependent Claim
126 words
A PROCESS FOR SIMULTANEOUSLY BONDING A PLURALITY OF PERFORATED, EXTERNAL BURNING ROCKET GRAINS TO SUPPORT RODS POSITIONED IN THE PERFORATIONS THEREOF SO AS TO WITHSTAND THE FORCES FO ACCELERATION WHICH COMPRISES FORMING EACH SUPPORT ROD WITH AN AXIAL OPENING THERETHORUGH AND A PLUALITY OF RADIAL OPENINGS THERETHROUGH IN COMMUNICATION WITH SAID AXIAL OPENING; ASSEMBLING THE PLURALITY OF GRAINS INTO A UNITARY BUNDLE WITH THE SUPPORT RODS PASSING THROUGH THE PERFORATIONS OF THE GRAINS, THROUGH A PLUALITY OF SUPPORT PLATES AND THROUGH A PLUALITY OF SPACER MEANS; SECURING THE SUPPORT RODS IN POSITION SO AS TO FORM AN ANNULUS BETWEEN EACH ROD AND GRAIN; FILLING THE AXIAL OPEININGS AND RADICAL OPENINGS OF THE RODS AND THE ANNULUS WITH A FLUID BONDING AGENT; AND CURING SAID BONDING AGENT.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |