US2439757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated rubber laundry bag
Assignee: SEIBERLING LATEX PRODUCTS Co
•
Filing: 1943-06-23
•
Granted: 1948-04-13
•
Expires: 1963-06-23
Abstract
No abstract record available.
Inventors
- 👤 Albert E Sidnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:32
CPC Classifications
D; D06; D06F; D06F95/00; D06F95/002; D06F95/004; D06F95/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235981A
Cited
GB306330A
Cited
US2019197A
Cited
US1934547A
Cited
US2064594A
Cited
US2100578A
Cited
US2225089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |