Patent US1755686A successfully refreshed from Google Patents.
US1755686A
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Coated metal and process of making the same
Assignee: Chemical Res & Designing Corp
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Filing: 1929-10-10
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Granted: 1930-04-22
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Expires: 1949-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jahn Fredrik W De
- 👤 Joseph G Dely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:31
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/003; C23C2/0034; C23C2/00342; C23C2/00344; C23C2/00348; C23C2/0035; C23C2/0036; C23C2/0038; C23C2/08; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/912; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-04-21 | 1933-10-21 | 1934-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-21 | 1937-10-21 | 1938-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-21 | 1941-10-21 | 1942-04-22 | $7700.00 | Window Closed / Lapsed |