Patent US983772A successfully refreshed from Google Patents.
Patent US2857535A successfully refreshed from Google Patents.
US2857535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable weight vibratory motor
Assignee: Viber Co
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Filing: 1957-04-05
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Granted: 1958-10-21
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Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Kroeckel
- 👤 Russell C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:22
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/061; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |