US2419732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of filling for bedding
Assignee: Individual
•
Filing: 1943-12-20
•
Granted: 1947-04-29
•
Expires: 1963-12-20
Abstract
No abstract record available.
Inventors
- 👤 Rubinstein Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:08
CPC Classifications
B; B68; B68G; B68G3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44223A
Cited
US49367A
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US231459A
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US253833A
Cited
US276650A
Cited
US709622A
Cited
US1687867A
Cited
US2078886A
Cited
US2001782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |