US910814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering metals.
Assignee: JOSEPH F KAUFMANN
•
Filing: 1906-03-10
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Granted: 1909-01-26
•
Expires: 1926-03-10
Abstract
No abstract record available.
Inventors
- 👤 Carl Hellmich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:05
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/02; B21D39/021; B21J; B21J15/00; B21J15/02; Y; Y10; Y10T; Y10T29/00; Y10T29/12; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/53; Y10T29/53126
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) | 1912-01-26 | 1912-07-27 | 1913-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-26 | 1916-07-27 | 1917-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-26 | 1920-07-27 | 1921-01-26 | $7700.00 | Window Closed / Lapsed |