Patent US754A successfully refreshed from Google Patents.
US2829596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracking flares
Assignee: Unexcelled Chemical Corp
•
Filing: 1954-12-17
•
Granted: 1958-04-08
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Loedding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:54
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/38; C; C06; C06C; C06C15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190324511A
Cited
US1276537A
Cited
US1705874A
Cited
US1756255A
Cited
US1873223A
Cited
GB349839A
Cited
US2043268A
Cited
US2115047A
Cited
FR916918A
Cited
US2425558A
Cited
US2628897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |