US2648263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bags
Assignee: Individual
•
Filing: 1948-10-02
•
Granted: 1953-08-11
•
Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Richens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:59
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B70/642; B31B2150/00; B31B2150/001; B31B2150/0012; B31B2160/00; B31B2160/10; B31B2160/20; B31B70/02; B31B70/022; B31B70/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337694A
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US388612A
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US699639A
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US1058806A
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US1029784A
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US2006060A
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US2114625A
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US2298522A
Cited
US2259752A
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US2333440A
Cited
US2353605A
Cited
US2409621A
Cited
US2396565A
Cited
US2412501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |