US3046175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of stable masking honeycomb core
Assignee: Northrop Grumman Corp
•
Filing: 1960-03-01
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Granted: 1962-07-24
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Eldon L Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:58
CPC Classifications
B; B22; B22D; B22D11/00; C; C23; C23F; C23F1/00; C23F1/02; C23F1/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF CHEMICAL MILLING A HONEYCOMB STRUCTURE WHICH COMPRISES PREPARING AN EDGE REINFORCED CONTOURED MOLD; INSERTING SAID HONEYCOMB STRUCTURE THROUGH A COATING MATERIAL AND A RELAEASE COMPOSITION AND INTO SAID MOLD; APPLYING A HOT MELT SEALANT TO THE EXPOSED SURFACES OF THE HONEYCOMB STRUCTURE; REMOVING THE MOLD FROM THE HONEYCOMB; ETCHING AWAY THE HONEYCOMB MATERIAL UNPROTECTED BY THE COATING MATERIAL; MANUALLLY REMOVING SAID HOT MELT SEALANT FROM SAID HONEYCOMB STRUCTURE;
Claim 2
Independent Claim
71 words
THE METHOD OF CHEMICAL MILLING A HONEYCOMB STRUCTURE WHICH COMPRISES PREPARING AN EDGE REINFORCED CONTOURED MOLD; INSERTING SAID HONEYCOMB STRUCTURE THROUGH A COATING MATERIAL AND A RELAEASE COMPOSITION AND INTO SAID MOLD; APPLYING A HOT MELT SEALANT TO THE EXPOSED SURFACES OF THE HONEYCOMB STRUCTURE; REMOVING THE MOLD FROM THE HONEYCOMB; ETCHING AWAY THE HONEYCOMB MATERIAL UNPROTECTED BY THE COATING MATERIAL; MANUALLLY REMOVING SAID HOT MELT SEALANT FROM SAID HONEYCOMB STRUCTURE;
References Cited (Backward Citations)
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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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |