Patent US3501864A successfully refreshed from Google Patents.
US3501864A
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US
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Swingable sliding car door assembly
Assignee: Wegmann and Co GmbH
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Filing: 1968-04-17
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Granted: 1970-03-24
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Expires: 1988-04-17
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Erb
- 👤 Ingo Britzke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:40
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1065; E05D15/1081; B; B60; B60J; B60J5/00; B60J5/04; B60J5/06; E05D15/1005; E05D15/101; E05D15/1042; E05D15/1047; E05D2015/1028; E05D2015/1031; E05D2015/1055; E05D2015/1057; E05D2015/1084; E05D2015/1086; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |