Patent US3415200A successfully refreshed from Google Patents.
US3415200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow truck conveyor system
Assignee: Mechanical Handling Systems Inc
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Filing: 1966-01-04
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Granted: 1968-12-10
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Expires: 1986-01-04
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Bishop
- 👤 Karlstrom Karl
- 👤 Klamp Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:46
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |