US3409854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for moving a working apparatus on a support surface
Assignee: Individual
•
Filing: 1966-05-12
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Granted: 1968-11-05
•
Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 Swallert Sven Arild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:12
CPC Classifications
B; B62; B62D; B62D57/00; B62D57/02; B62D57/024; B23; B23K; B23K37/00; B23K37/02; B23K37/0264; B63; B63B; B63B59/00; B63B59/06; B63B59/10; F; F22; F22B; F22B37/00; F22B37/002; F22B37/006; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4572; Y10T29/4583
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |