US725636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space telegraphy.
Assignee: STONE TELEGRAPH AND TELEPHONE Co
•
Filing: 1903-03-12
•
Granted: 1903-04-14
•
Expires: 1923-03-12
Abstract
No abstract record available.
Inventors
- 👤 John Stone Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:40
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/02
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 |