US3242833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joints for steel forms, facings and the like
Assignee: PERMCO CORP
•
Filing: 1964-03-11
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Granted: 1966-03-29
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Sondheim Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:39
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502; E04; E04H; E04H1/00; E04H1/12; E04H1/1205; E04H1/1233
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |