US3082027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staging bracket
Assignee: ALVEN ENTERPRISES Inc
•
Filing: 1961-12-15
•
Granted: 1963-03-19
•
Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Vendell J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:44
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; Y; Y10; Y10T; Y10T403/00; Y10T403/34
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |