Patent US2764808A successfully refreshed from Google Patents.
US2764808A
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US
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Method of producing a protected metal article
Assignee: Hospitality Homes
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Filing: 1952-01-22
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Granted: 1956-10-02
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Expires: 1972-01-22
Abstract
No abstract record available.
Inventors
- 👤 Alden W Coffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:08
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2031035A
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US2135886A
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US2073334A
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US2349951A
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US2330530A
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US2631641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |