Patent US4045513A successfully refreshed from Google Patents.
Patent US1461301A successfully refreshed from Google Patents.
US1461301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Max wiskott
Assignee: —
•
Filing: —
•
Granted: 1923-07-10
•
Expires: 1940-07-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:27
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/08; G02B5/10; Y; Y10; Y10S; Y10S264/00; Y10S264/38; Y10S359/00; Y10S359/90
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) | 1926-07-09 | 1927-01-08 | 1927-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-09 | 1931-01-08 | 1931-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-09 | 1935-01-08 | 1935-07-10 | $7700.00 | Window Closed / Lapsed |