US3530577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating tool construction
Assignee: Black and Decker Corp
•
Filing: 1967-07-25
•
Granted: 1970-09-29
•
Expires: 1987-07-25
Abstract
No abstract record available.
Inventors
- 👤 Burton P Franklin
- 👤 Paul W Bless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:12
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927075A
Cited
US2155713A
Cited
US2080921A
Cited
US2350098A
Cited
US2951479A
Cited
US3409056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |