US2049550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion construction
Assignee: Van Dresser Specialty Corp
•
Filing: 1932-02-10
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Granted: 1936-08-04
•
Expires: 1952-02-10
Abstract
No abstract record available.
Inventors
- 👤 William C Van Dresser
- 👤 Wesley B Van Dresser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:27
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0435; A47C7/00; A47C7/02; A47C7/34; A47C7/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-08-04 | 1940-02-03 | 1940-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-04 | 1944-02-03 | 1944-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-04 | 1948-02-03 | 1948-08-04 | $7700.00 | Window Closed / Lapsed |