US725527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post-cap.
Assignee: Individual
•
Filing: 1903-01-03
•
Granted: 1903-04-14
•
Expires: 1923-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Whitehurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:39
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344
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 |