US3484729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armature and contact blade assembly for an electrical relay
Assignee: Leach Corp
•
Filing: 1967-04-24
•
Granted: 1969-12-16
•
Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Andrew O Adams
- 👤 Marvin G Nelsen
- 👤 David J Tapp
- 👤 John C Schuessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:00
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2227; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB560430A
Cited
GB838959A
Cited
US2951134A
Cited
US3109077A
Cited
US3165607A
Cited
US3321722A
Cited
US3295078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |