US647962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1900-01-06
•
Granted: 1900-04-24
•
Expires: 1920-01-06
Abstract
No abstract record available.
Inventors
- 👤 William Nicless Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/931; Y10S411/95; Y10S411/951
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) | 1903-04-24 | 1903-10-24 | 1904-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-24 | 1907-10-24 | 1908-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-24 | 1911-10-24 | 1912-04-24 | $7700.00 | Window Closed / Lapsed |