Patent FR2247692A1 successfully refreshed from Google Patents.
US3499199A
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US
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Assignee: Fleetwood Systems Inc
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Filing: 1968-06-12
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Granted: 1970-03-10
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Expires: 1988-06-12
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Mojden
- 👤 Norman J Chivas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:15
CPC Classifications
B; B65; B65G; B65G29/00; B65G57/00; B65G57/02; B65G57/03; B65G57/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1529570A
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US1937991A
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US2020652A
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US2221785A
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US2588085A
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US2626310A
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US3059156A
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US3164269A
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US3165210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |