Patent US1306233A successfully refreshed from Google Patents.
US1306233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assigjktob
Assignee: —
•
Filing: —
•
Granted: 1919-06-10
•
Expires: 1936-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:30
CPC Classifications
F; F23; F23B; F23B5/00; F23B5/02; F23B5/025; F23G; F23G2209/00; F23G2209/30; Y; Y10; Y10S; Y10S48/00; Y10S48/04
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) | 1922-06-09 | 1922-12-09 | 1923-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-06-09 | 1926-12-09 | 1927-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-06-09 | 1930-12-09 | 1931-06-10 | $7700.00 | Window Closed / Lapsed |