US2980159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying flat strips to corrugated paper
Assignee: Sherman Paper Products Corp
•
Filing: 1956-08-22
•
Granted: 1961-04-18
•
Expires: 1976-08-22
Abstract
No abstract record available.
Inventors
- 👤 Greene Kermit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:25
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; B31B50/8126; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T156/1089; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1739
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |