US662344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1900-02-05
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Granted: 1900-11-20
•
Expires: 1920-02-05
Abstract
No abstract record available.
Inventors
- 👤 George H Boyd
- 👤 Thomas D West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:36
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/0036; A; A44; A44C; A44C21/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49478; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12271; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12972
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) | 1903-11-20 | 1904-05-21 | 1904-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-20 | 1908-05-21 | 1908-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-20 | 1912-05-21 | 1912-11-20 | $7700.00 | Window Closed / Lapsed |