US665989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing hair-pins or the like.
Assignee: GEORGE W HILL
•
Filing: 1900-04-12
•
Granted: 1901-01-15
•
Expires: 1920-04-12
Abstract
No abstract record available.
Inventors
- 👤 William S Bechtold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:42
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10S264/00; Y10S264/76; Y10S425/00; Y10S425/109
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) | 1904-01-15 | 1904-07-16 | 1905-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-15 | 1908-07-16 | 1909-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-15 | 1912-07-16 | 1913-01-15 | $7700.00 | Window Closed / Lapsed |