Patent US3248275A successfully refreshed from Google Patents.
US3248275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin impregnated fiber honeycomb product
Assignee: Continental Can Co Inc
•
Filing: 1962-07-30
•
Granted: 1966-04-26
•
Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 John D Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:13
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; E04C2/365; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CELLULAR HONEYCOMB MATERIAL INCLUDING A PLURALITY OF INDIVIDULA CELLS, EACH OF SAID CELLS HAVING DOUBLE THICKNESS AND SINGLE THICKNESS WALLS, EACH OF SAID WALLS HAVING A REINFORCING COATING, THE REINFORCING COATING OF EACH SINGLE THICKNESS WALL BEING THICKER THAN THE REINFORCING COATING OF EACH DOUBLE THICKNESS WALL, AND ALL OF SAID COATED WALLS HAVING SUBSTANTIALLY THE SAME COMPRESSIVE STRENGTH.
Claim 2
Dependent Claim
60 words
A CELLULAR HONEYCOMB MATERIAL INCLUDING A PLURALITY OF INDIVIDULA CELLS, EACH OF SAID CELLS HAVING DOUBLE THICKNESS AND SINGLE THICKNESS WALLS, EACH OF SAID WALLS HAVING A REINFORCING COATING, THE REINFORCING COATING OF EACH SINGLE THICKNESS WALL BEING THICKER THAN THE REINFORCING COATING OF EACH DOUBLE THICKNESS WALL, AND ALL OF SAID COATED WALLS HAVING SUBSTANTIALLY THE SAME COMPRESSIVE STRENGTH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |