Patent US6547511B1 successfully refreshed from Google Patents.
US2115122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforate sheet resistant to tearing and pack therefrom
Assignee: Individual
•
Filing: 1937-03-13
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Granted: 1938-04-26
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Expires: 1957-03-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Prudden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:36
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/808; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10S297/00; Y10S297/02; Y10S425/00; Y10S425/037; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |