Patent US3017899A successfully refreshed from Google Patents.
US3017899A
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US
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Swivel units and damper assemblies using same
Assignee: Elgen Manufacturing Corp
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Filing: 1958-07-11
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Granted: 1962-01-23
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Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Goldsmith Morris
- 👤 Robert R Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:06
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/8741; Y10T137/87442; Y10T137/87467; Y10T137/87483; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2040893A
Cited
CH191793A
Cited
US2142616A
Cited
US2332504A
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US2331758A
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US2352699A
Cited
US2835466A
Cited
US2784028A
Cited
US2863374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |