US2930564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture support for hung ceilings
Assignee: Individual
•
Filing: 1956-11-13
•
Granted: 1960-03-29
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Robert W Maier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/006; Y; Y10; Y10S; Y10S248/00; Y10S248/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732162A
Cited
US1212318A
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US1240582A
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US1489474A
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US1982957A
Cited
US2316389A
Cited
US2284302A
Cited
US2670919A
Cited
US2751175A
Cited
US2783367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |