US2275336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for joining scored sheets and breaking along scored lines
Assignee: Art Metal Construction Co
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Filing: 1937-10-22
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Granted: 1942-03-03
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Expires: 1957-10-22
Abstract
No abstract record available.
Inventors
- 👤 Charles E Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:53
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/14; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1378; Y10T156/1383; Y10T156/1387; Y10T156/1391; Y10T156/1396; Y10T156/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |