Patent US3441799A successfully refreshed from Google Patents.
US3441799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receptacle overload switch
Assignee: Individual
•
Filing: 1965-12-20
•
Granted: 1969-04-29
•
Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Delafrange
- 👤 Max Rappaport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:22
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/02; H01H71/00; H01H71/10; H01H71/12; H01H71/24; H01H71/2472; H01H73/00; H01H73/02; H01H73/12; H01H73/14; H01H9/00; H01H9/16; H01H9/161
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |