US2902867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration-producing device
Assignee: Individual
•
Filing: 1953-05-13
•
Granted: 1959-09-08
•
Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Giertz-Hedstrom Stig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/068; B; B06; B06B; B06B1/00; B06B1/10; B06B1/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US794281A
Cited
US868202A
Cited
US1033503A
Cited
US1437738A
Cited
US1657727A
Cited
US2065560A
Cited
US2223024A
Cited
US2294448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |