US2442044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure means for laundry bags
Assignee: Standard Oil Development Co
•
Filing: 1945-08-01
•
Granted: 1948-05-25
•
Expires: 1965-08-01
Abstract
No abstract record available.
Inventors
- 👤 Frank A Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
D; D06; D06F; D06F43/00; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2502; Y10T24/2505
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1590682A
Cited
GB323235A
Cited
US2271211A
Cited
US2289586A
Cited
US2391477A
Cited
GB556190A
Cited
US2392034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |