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US936637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating metallic surfaces.
Assignee: Individual
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Filing: 1908-05-28
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Granted: 1909-10-12
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Expires: 1928-05-28
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:56
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/02; C23C24/04; C23C10/00; C23C10/28; C23C10/60; C23C2/00; C23C2/02; C23C2/026
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) | 1912-10-11 | 1913-04-12 | 1913-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-10-11 | 1917-04-12 | 1917-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-10-11 | 1921-04-12 | 1921-10-12 | $7700.00 | Window Closed / Lapsed |