US2841352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible support device
Assignee: DOROTHY LCJUNE
•
Filing: 1954-04-23
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Granted: 1958-07-01
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Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Alexauder J Pappas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:57
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/22; A; A47; A47B; A47B3/00; A47B3/12; F16M11/02; F16M11/16; F16M11/24; F16M11/38; A47B13/00; A47B13/02; A47B2013/026; A47B2200/00; A47B2200/0011; A47B2200/002; A47B2200/0032
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) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |