Patent US1259708A successfully refreshed from Google Patents.
US1259708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of producing matter in a finely-divided state.
Assignee: National Gum & Mica Co
•
Filing: 1914-05-01
•
Granted: 1918-03-19
•
Expires: 1934-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jerome Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:13
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C10; C10M; C10M2201/00; C10M2201/02
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) | 1921-03-18 | 1921-09-17 | 1922-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-03-18 | 1925-09-17 | 1926-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-03-18 | 1929-09-17 | 1930-03-19 | $7700.00 | Window Closed / Lapsed |