US755808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfo-iodin compound of hydrocarbon.
Assignee: Individual
•
Filing: 1903-06-22
•
Granted: 1904-03-29
•
Expires: 1923-06-22
Abstract
No abstract record available.
Inventors
- 👤 Frank T F Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
C; C07; C07C; C07C381/00; C07C381/12; C10; C10M; C10M135/00; C10M135/02; C10M135/04
Claims Analysis
Total Claims: 0
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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) | 1907-03-29 | 1907-09-28 | 1908-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-29 | 1911-09-28 | 1912-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-29 | 1915-09-28 | 1916-03-29 | $7700.00 | Window Closed / Lapsed |