Patent US1241308A successfully refreshed from Google Patents.
US1241308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash-board skimming-gate.
Assignee: Individual
•
Filing: 1916-09-23
•
Granted: 1917-09-25
•
Expires: 1936-09-23
Abstract
No abstract record available.
Inventors
- 👤 William Van Den Heuvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:08
CPC Classifications
E; E02; E02B; E02B7/00; E02B7/20; E02B7/26; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
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) | 1920-09-24 | 1921-03-26 | 1921-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-24 | 1925-03-26 | 1925-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-24 | 1929-03-26 | 1929-09-25 | $7700.00 | Window Closed / Lapsed |