Patent US1743487A successfully refreshed from Google Patents.
US1743487A
Expired / Lapsed
US
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Mattress tuft
Assignee: Individual
•
Filing: 1928-06-25
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Granted: 1930-01-14
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Expires: 1948-06-25
Abstract
No abstract record available.
Inventors
- 👤 Roy F Rutherford
- 👤 Hood William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:20
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/026; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3632; Y10T24/3645; Y10T24/3681; Y10T24/37; Y10T24/3742; Y10T24/3745
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) | 1933-01-13 | 1933-07-15 | 1934-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-13 | 1937-07-15 | 1938-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-13 | 1941-07-15 | 1942-01-14 | $7700.00 | Window Closed / Lapsed |