Patent US4609564B1 successfully refreshed from Google Patents.
Patent US3826192A successfully refreshed from Google Patents.
Patent US2155979A successfully refreshed from Google Patents.
Patent US2667398A successfully refreshed from Google Patents.
Patent US431750A successfully refreshed from Google Patents.
Patent US598872A successfully refreshed from Google Patents.
US598872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Henry mathew hunt
Assignee: Alti Electronics Co Ltd
•
Filing: —
•
Granted: 1898-02-08
•
Expires: 1915-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:53
CPC Classifications
B; B62; B62K; B62K13/00; B62K13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1901-02-08 | 1901-08-10 | 1902-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-02-08 | 1905-08-10 | 1906-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-02-08 | 1909-08-10 | 1910-02-09 | $7700.00 | Window Closed / Lapsed |