US2819725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Umbrella
Assignee: Troy Sunshade Co
•
Filing: 1956-03-19
•
Granted: 1958-01-14
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert J Deisenroth
- 👤 Howard E Wintrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:00
CPC Classifications
A; A45; A45B; A45B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE140030C
Cited
US1569447A
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US2441689A
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US2462560A
Cited
US2475406A
Cited
US2595697A
Cited
US2661752A
Cited
US2745421A
Cited
US2721569A
Cited
US2740417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |