Patent US3505933A successfully refreshed from Google Patents.
US3505933A
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US
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Apparatus for sealing the longitudinal seam of overlapping ends of blanks for container sides of paper
Assignee: Rissen Maschinenfabrik GmbH
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Filing: 1966-12-27
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Granted: 1970-04-14
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Werner Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:20
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/28; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B31B50/60; B31B50/64
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) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |