Patent US2543299A successfully refreshed from Google Patents.
US2543299A
Expired / Lapsed
US
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Combination support and closure flap for laundry bags
Assignee: Individual
•
Filing: 1947-09-10
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Granted: 1951-02-27
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Expires: 1967-09-10
Abstract
No abstract record available.
Inventors
- 👤 Richard J Pritchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
D; D06; D06F; D06F95/00; D06F95/002; D06F95/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US64283A
Cited
US880524A
Cited
GB191028512A
Cited
US1370966A
Cited
GB450732A
Cited
US2020556A
Cited
US2036687A
Cited
US2119490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |