US2556781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Framing instrument
Assignee: —
•
Filing: —
•
Granted: 1951-06-12
•
Expires: 1968-06-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:44
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/56; G01B3/563; B; B43; B43L; B43L13/00; B43L13/001; B43L13/002; B43L7/00; B43L7/10; B43L7/12; B43L9/00; G01B3/566; G01B5/00; G01B5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450823A
Cited
US776325A
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US1105763A
Cited
US1159483A
Cited
US1128673A
Cited
US1346050A
Cited
US1584839A
Cited
US1652980A
Cited
US1755152A
Cited
US1836407A
Cited
US1947448A
Cited
US2183446A
Cited
US2395234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |