US2927742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll-up machine
Assignee: ROCK WOOL ENGINEERING AND EQUI
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Filing: 1956-11-15
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Granted: 1960-03-08
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Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Mary B Overman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:44
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2276; Y; Y10; Y10S; Y10S242/00; Y10S242/917; Y10S242/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |