US3304684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspended ceiling structure
Assignee: ANJAC PLASTICS Inc
•
Filing: 1963-12-26
•
Granted: 1967-02-21
•
Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Donald E Mock
- 👤 Banner Joseph
- 👤 Banner Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:30
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE302215C
Cited
US2942704A
Cited
US2895180A
Cited
US3084401A
Cited
US3035672A
Cited
US3089570A
Cited
US3096862A
Cited
US3221846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |