Patent US3352071A successfully refreshed from Google Patents.
US3352071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture for use in a suspended grid ceiling system
Assignee: LOCK PRODUCTS CO
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Filing: 1965-03-08
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Granted: 1967-11-14
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Ormond S Sutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/32; E04B9/06; E04B9/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
IN A SUSPENDED GRID CEILING SYSTEM OF THE TYPE HAVING LONGITUDINAL FLANGED RUNNERS AND CROSS FLANGED RUNNERS THE COMBINATION OF A DIFFUSER, AN END CAP FITTING OVER AND SUPPORTING AN END OF SAID DIFFUSER, MEANS FORMING A SLOT IN ONE CROSS RUNNER, A TAB ON SAID END CAP PROJECTING THROUGH SAID SLOT, LOCKING MEANS RELEASABLY INTERLOCKING SAID TAB AND LAST-MENTIONED CROSS RUNNER.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |