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US2819923A
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Suspension sling
Assignee: Individual
•
Filing: 1955-08-17
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Granted: 1958-01-14
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Expires: 1975-08-17
Abstract
No abstract record available.
Inventors
- 👤 Anderson Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:55
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/14; A; A01; A01M; A01M31/00; B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; F16G11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US849832A
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US1144430A
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US1792439A
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US1959985A
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US2327683A
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US2476731A
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US2487853A
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US2520325A
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US2679709A
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 |