Patent US2562021A successfully refreshed from Google Patents.
US2562021A
Expired / Lapsed
US
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Swinging support
Assignee: Individual
•
Filing: 1945-07-26
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Granted: 1951-07-24
•
Expires: 1965-07-26
Abstract
No abstract record available.
Inventors
- 👤 Earl W Dotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:30
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/1209; A47G29/1216; E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440043A
Cited
US1460054A
Cited
US963329A
Cited
US1004476A
Cited
US1292421A
Cited
US1273696A
Cited
US1435379A
Cited
US1595206A
Cited
US1645768A
Cited
US1790123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |