US3248190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamellar structure
Assignee: Owens Corning
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Filing: 1963-05-06
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Granted: 1966-04-26
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Robert M Woodward
- 👤 Edward L Satterfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:52
CPC Classifications
C; C22; C22C; C22C28/00; B; B32; B32B; B32B15/00; B32B15/01; B32B15/018; C03; C03B; C03B37/00; C03B37/08; C03B37/083; C03B37/095; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12361; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METAL LAMINATE HAVING HIGH CORROSION RESISTANCE AND STRENGTH, AND COMPRISING: A CENTER LAYER OF METAL CONSISTING ESSENTIALLY OF FROM APPOXIMATELY 75 PERCENT TO APPROXIMATELY 100 PERCENT OF RHODIUM AND FROM APPROXIMATELY 25 PERCENT TO APPROXIMATELY 0 PERCENT OF PLATINUM, SANDWICHED BETWEEN, AND BONDED TO, EACH OF TWO, SPACED, OPPOSED LAYERS OF METAL CONSISTING ESSENTIALLY OF FROM APPROXIMATELY 60 PERCENT TO APPORXIMATELY 100 PERCENT OF PLATINUM AND FROM APPROXIMATELY 40 PERCENT TO APPROXIMATELY 0 PERCENT OF RHODIUM.
Claim 2
Dependent Claim
77 words
A METAL LAMINATE HAVING HIGH CORROSION RESISTANCE AND STRENGTH, AND COMPRISING: A CENTER LAYER OF METAL CONSISTING ESSENTIALLY OF FROM APPOXIMATELY 75 PERCENT TO APPROXIMATELY 100 PERCENT OF RHODIUM AND FROM APPROXIMATELY 25 PERCENT TO APPROXIMATELY 0 PERCENT OF PLATINUM, SANDWICHED BETWEEN, AND BONDED TO, EACH OF TWO, SPACED, OPPOSED LAYERS OF METAL CONSISTING ESSENTIALLY OF FROM APPROXIMATELY 60 PERCENT TO APPORXIMATELY 100 PERCENT OF PLATINUM AND FROM APPROXIMATELY 40 PERCENT TO APPROXIMATELY 0 PERCENT OF RHODIUM.
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 |