Patent US3009984A successfully refreshed from Google Patents.
US3009984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door for a shielded enclosure
Assignee: Individual
•
Filing: 1958-08-07
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Granted: 1961-11-21
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Erik A Lindgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:59
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/18; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4654; H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0015; H05K9/0016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |