Patent US2858551A successfully refreshed from Google Patents.
US2858551A
Expired / Lapsed
US
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Trampoline
Assignee: Individual
•
Filing: 1953-11-09
•
Granted: 1958-11-04
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Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Bruce C Sidlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:26
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/11; A63B21/00; A63B21/02; A63B21/055; A63B21/0552; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1060295A
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US1567493A
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US1586355A
Cited
US1850636A
Cited
AT137284B
Cited
US2370990A
Cited
GB638792A
Cited
US2534019A
Cited
CH263612A
Cited
US2670478A
Cited
US2575537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |