Patent US2723815A successfully refreshed from Google Patents.
US2723815A
Expired / Lapsed
US
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Picture hanger
Assignee: Individual
•
Filing: 1951-03-20
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Granted: 1955-11-15
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Expires: 1971-03-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:10
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/16; A47G1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR955948A
Cited
US710061A
Cited
US1049128A
Cited
US961616A
Cited
US1560029A
Cited
US2105061A
Cited
US2081095A
Cited
US2486593A
Cited
GB660308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |