Patent US2678686A successfully refreshed from Google Patents.
US2678686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padding for upholstery and the like
Assignee: Individual
•
Filing: 1947-12-22
•
Granted: 1954-05-18
•
Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 William M Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:02
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB403175A
Cited
US1542375A
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US970950A
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US992354A
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US1644600A
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US1992603A
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FR771011A
Cited
US2080886A
Cited
US2244097A
Cited
US2277951A
Cited
US2293246A
Cited
US2373047A
Cited
US2610338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |