US3529393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall-to-floor connector beam
Assignee: COMSTRUCT Inc
•
Filing: 1968-09-30
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Granted: 1970-09-22
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Expires: 1988-09-30
Abstract
No abstract record available.
Inventors
- 👤 William Burdette Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:03
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6179; E04B5/00; E04B5/02; E04B5/023; E04B5/026; E04C2/34; E04C2/36; E04C2/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23775E
Cited
CA547357A
Cited
US765930A
Cited
GB600772A
Cited
GB606792A
Cited
US2856039A
Cited
US3048244A
Cited
US3238690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |