US2787006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction hinge
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1953-07-20
•
Granted: 1957-04-02
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Sherwood L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:04
CPC Classifications
A; A47; A47K; A47K13/00; A47K13/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US301164A
Cited
US432799A
Cited
US1713935A
Cited
US1833890A
Cited
US1967104A
Cited
GB383483A
Cited
US2200440A
Cited
US2128187A
Cited
US2168907A
Cited
US2474644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |