US3411252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interior wall system
Assignee: INTERIOR CONTRACTORS Inc
•
Filing: 1965-10-21
•
Granted: 1968-11-19
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/825; E04B2002/749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2030998A
Cited
US1987498A
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US1922694A
Cited
US2114770A
Cited
US2219714A
Cited
US2365255A
Cited
GB580623A
Cited
US3049195A
Cited
US3189135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |