Patent US1997820A successfully refreshed from Google Patents.
US3533583A
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US
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Adjustable support apparatus
Assignee: Arkay Corp
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Filing: 1968-06-14
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Granted: 1970-10-13
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Expires: 1988-06-14
Abstract
No abstract record available.
Inventors
- 👤 Wakeem R Azim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:56
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/08; F16M11/20; F16M11/2007; F16M11/2014; F16M11/24; F16M11/42; F16M2200/00; F16M2200/02; F16M2200/04; F16M2200/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2567363A
Cited
US1006834A
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GB177545A
Cited
US1820305A
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US1936529A
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US2486685A
Cited
US2692748A
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US2656608A
Cited
AT177519B
Cited
US2957582A
Cited
US3269681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |