US725290A
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Assignee: Individual
•
Filing: 1901-07-12
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Granted: 1903-04-14
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Expires: 1921-07-12
Abstract
No abstract record available.
Inventors
- 👤 John Speer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/005; F16L; F16L19/00; F16L19/005; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/7069; Y10T137/71; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5628; Y10T70/5854; Y10T70/5867
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) | 1906-04-13 | 1906-10-13 | 1907-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-04-13 | 1910-10-13 | 1911-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-04-13 | 1914-10-13 | 1915-04-14 | $7700.00 | Window Closed / Lapsed |