Patent US2816783A successfully refreshed from Google Patents.
US2816783A
Expired / Lapsed
US
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Turnbuckle screw device
Assignee: Individual
•
Filing: 1952-12-06
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Granted: 1957-12-17
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Expires: 1972-12-06
Abstract
No abstract record available.
Inventors
- 👤 Robertson Jackson Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:00
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; A; A01; A01B; A01B63/00; A01B63/02; A01B63/04; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US879268A
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US1374963A
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GB122325A
Cited
US1903863A
Cited
US1848242A
Cited
US1971472A
Cited
GB495976A
Cited
US2360019A
Cited
US2352585A
Cited
US2658546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |