Patent US3363537A successfully refreshed from Google Patents.
US3363537A
Expired / Lapsed
US
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Combination tractor exhaust pipe cover and reflector
Assignee: HAROLD E DE PENNING
•
Filing: 1965-12-22
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Granted: 1968-01-16
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Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Penning Harold E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:53
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/085; F01N2590/00; F01N2590/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985880A
Cited
US2637264A
Cited
US2694358A
Cited
US2832585A
Cited
US2983216A
Cited
US3274917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |