Patent US2880736A successfully refreshed from Google Patents.
US2880736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ash receiver
Assignee: Individual
•
Filing: 1955-08-29
•
Granted: 1959-04-07
•
Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Lookholder David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
A; A24; A24F; A24F19/00; A24F19/005; Y; Y10; Y10S; Y10S220/00; Y10S220/908; Y10S220/91; Y10S220/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US862953A
Cited
US1635395A
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US1985558A
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US2152285A
Cited
US2158770A
Cited
US2157255A
Cited
US2175603A
Cited
GB574411A
Cited
US2440387A
Cited
US2591482A
Cited
US2722347A
Cited
US2731013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |