US2810977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pompon
Assignee: Individual
•
Filing: 1950-08-09
•
Granted: 1957-10-29
•
Expires: 1970-08-09
Abstract
No abstract record available.
Inventors
- 👤 Harold E Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
CPC Classifications
D; D04; D04D; D04D7/00; D04D7/04; D04D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336149A
Cited
US360000A
Cited
US848920A
Cited
US1572885A
Cited
US1750844A
Cited
US1757853A
Cited
FR772643A
Cited
US2038958A
Cited
US2104196A
Cited
US2322060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |