US3138359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for wall-hung objects
Assignee: Individual
•
Filing: 1961-11-07
•
Granted: 1964-06-23
•
Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Warren A Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:04
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/16; A47G1/1633; A47G1/164; A47G1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318681A
Cited
GB189600109A
Cited
US685749A
Cited
US1338384A
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US1368125A
Cited
US2195540A
Cited
US2546359A
Cited
US2814459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |