US3250235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1965-03-12
•
Granted: 1966-05-10
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Mcdonnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:45
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08; A47F5/0807; A47F5/0815; A47F5/0823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US964078A
Cited
US1371079A
Cited
US1416969A
Cited
US2512397A
Cited
US2651838A
Cited
US2842270A
Cited
US2842264A
Cited
US3048279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |