US2959452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide and way structure
Assignee: Kearney and Trecker Corp
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Filing: 1956-08-08
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Granted: 1960-11-08
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Expires: 1976-08-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Wetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/02; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |