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Patent US3545349A successfully refreshed from Google Patents.
US3545349A
Expired / Lapsed
US
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Self-propelling paving machine
Assignee: HANS GERT OTTERMAN
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Filing: 1968-08-01
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Granted: 1970-12-08
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Expires: 1988-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hans-Gert Otterman
- 👤 Gottfried Henrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4833; E01C19/4853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |