US2652966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trampolin
Assignee: Individual
•
Filing: 1950-06-01
•
Granted: 1953-09-22
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Laurence V Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
A; A62; A62B; A62B1/00; A62B1/22; D; D04; D04C; D04C1/00; A63; A63B; A63B21/00; A63B21/02; A63B21/055; A63B21/0552; Y; Y10; Y10S; Y10S160/00; Y10S160/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US171212A
Cited
US2881A
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US1621841A
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US1737815A
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US1925516A
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US1888084A
Cited
US1906233A
Cited
US1918761A
Cited
DE605282C
Cited
GB507210A
Cited
US2226606A
Cited
US2370990A
Cited
US2534019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |