US2146870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery stuffing treatment and product
Assignee: Individual
•
Filing: 1937-07-26
•
Granted: 1939-02-14
•
Expires: 1957-07-26
Abstract
No abstract record available.
Inventors
- 👤 Whiteley Edward Oldroyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/294; Y10T428/296; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31826
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) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |