US3275428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making honeycomb structure
Assignee: American Optical Corp
•
Filing: 1963-05-21
•
Granted: 1966-09-27
•
Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Walter P Siegmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; C03B37/15; Y; Y10; Y10S; Y10S55/00; Y10S55/05; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF MAKING A HONEYCOMB STRUCTURE COMPRISING THE STEPS OF: ARRANGING A MULTIPLICITY OF TUBULES, EACH HAVING AN INNER LAYER OF A FIRST GLASS MATERIAL DEFINING A CENTRAL OPENING THROUGH THE TUBULE AND AN OUTER CLADDING LAYER OF A SECOND FUSIBLE GLASS MATERIAL, IN SIDE-BYSIDE CONTACTING RELATION TO EACH OTHER TO FORM A BUNDLE,
Claim 2
Independent Claim
55 words
THE METHOD OF MAKING A HONEYCOMB STRUCTURE COMPRISING THE STEPS OF: ARRANGING A MULTIPLICITY OF TUBULES, EACH HAVING AN INNER LAYER OF A FIRST GLASS MATERIAL DEFINING A CENTRAL OPENING THROUGH THE TUBULE AND AN OUTER CLADDING LAYER OF A SECOND FUSIBLE GLASS MATERIAL, IN SIDE-BYSIDE CONTACTING RELATION TO EACH OTHER TO FORM A BUNDLE,
References Cited (Backward Citations)
US2499977A
Cited
US2619438A
Cited
US2721952A
Cited
US2752731A
Cited
US2992587A
Cited
US3190735A
Cited
US3128167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |