US3034800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sled or toboggan
Assignee: Phillips Petroleum Co
•
Filing: 1959-02-16
•
Granted: 1962-05-15
•
Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Paul E Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:17
CPC Classifications
B; B62; B62B; B62B15/00; B63; B63B; B63B32/00; B63B32/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US359741A
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US411255A
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US1103622A
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US2132744A
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US2219905A
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GB631879A
Cited
US2614857A
Cited
US2825721A
Cited
US2762063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |