Patent US3392497A successfully refreshed from Google Patents.
US3392497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular enclosure with clamp joined panels
Assignee: Delron Co Inc
•
Filing: 1966-10-21
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Granted: 1968-07-16
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Cushman Kenneth Vantine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:06
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/063; E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6183
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |