US3570066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for forming corrugated sheets from flat asbestos-cement blanks
Assignee: Individual
•
Filing: 1968-06-19
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Granted: 1971-03-16
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Expires: 1988-06-19
Abstract
Abstract APPARATUS FOR FORMING CORRUGATED SHEETS FROM FLAT ASBESTOS-CEMENT BLANKS IS PROVIDED WITH A FIRST SYSTEM OF ENDLESS CHAINS FOR PERFORMING THE FLAT BLANKS, AND A SECOND SYSTEM OF ENDLESS CHAINS FOR FINISHING THE FORMATION OF THE PREFORMED BLANKS. EACH SYSTEM INCLUDES AN UPPER AND LOWER ROW OF CHAINS. THE FIRST SYSTEM OF UPPER AND LOWER CHAINS VERTICALLY AND HORIZONTALLY CONVERGE TOWARD ONE ANOTHER AND THE SECOND SYSTEM OF CHAINS ARE PARALLEL TO ONE ANOTHER.
Inventors
- 👤 Mark Solomonovich Neifeld
- 👤 Pavel Samuilovich Moroz
- 👤 Oleg Alexandrovich Morgunov
- 👤 Savely Aronovich Monastyrenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/52; B28B1/528; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C53/26; B29C53/265
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |