US3537217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall structures
Assignee: Flangeklamp Corp
•
Filing: 1968-02-08
•
Granted: 1970-11-03
•
Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert Paul Lickliter
- 👤 Earl Abbott
- 👤 John F Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:42
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/7407; E04B2/7416; E04B2/7422; E04B2/7424; E04B2/7453; E04B2/7455; E04B2/76; E04B2/78; E04B2/7854; E04B2/825; E04B2002/7461; E04B2002/7462; E04B2002/749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA665903A
Cited
US1339360A
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US1906096A
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US1915697A
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US1946560A
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US2101952A
Cited
US2227452A
Cited
GB652893A
Cited
US2566622A
Cited
FR1203140A
Cited
US3381438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |