US2929529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terrazzo holder for under-floor junction box
Assignee: National Supply Co
•
Filing: 1956-01-26
•
Granted: 1960-03-22
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 James W Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:14
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE17290E
Cited
US1069180A
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US1921170A
Cited
US1893268A
Cited
US2063569A
Cited
US2094523A
Cited
US2431082A
Cited
US2741117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |