Patent US3894462A successfully refreshed from Google Patents.
Patent US3521419A successfully refreshed from Google Patents.
US3521419A
Expired / Lapsed
US
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Support device for frames,decorative elements and false ceilings
Assignee: Individual
•
Filing: 1968-05-09
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Granted: 1970-07-21
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Expires: 1988-05-09
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Fornells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:50
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04B; E04B9/00; E04B9/22; E04B9/24; E04B9/26; E04B9/34; E04B9/36; E04B9/363
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |