Patent US4820259A successfully refreshed from Google Patents.
Patent US1780912A successfully refreshed from Google Patents.
Patent US3170519A successfully refreshed from Google Patents.
Patent US2546973A successfully refreshed from Google Patents.
Patent US2403642A successfully refreshed from Google Patents.
Patent US5545140A successfully refreshed from Google Patents.
Patent US2932699A successfully refreshed from Google Patents.
US2932699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching assembly
Assignee: Philips North America LLC
•
Filing: 1957-04-30
•
Granted: 1960-04-12
•
Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:06
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0006; H01H36/0053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2310357A
Cited
US2310138A
Cited
US2468696A
Cited
US2803720A
Cited
US2845506A
Cited
US2827531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |