Patent US3483503A successfully refreshed from Google Patents.
US3483503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner wall adapter
Assignee: Individual
•
Filing: 1968-03-20
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Granted: 1969-12-09
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Expires: 1988-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dominick Paradiso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:38
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/086; A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; Y; Y10; Y10S; Y10S55/00; Y10S55/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2877313A
Cited
US3076068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |