Patent US3075206A successfully refreshed from Google Patents.
US3075206A
Expired / Lapsed
US
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Box spring hanger assembly
Assignee: Individual
•
Filing: 1961-06-19
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Granted: 1963-01-29
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward A Kendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:48
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/02; A47C19/021; A47C19/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |