US3377933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road laying machine
Assignee: Pav-Saver Corp
•
Filing: 1965-07-14
•
Granted: 1968-04-16
•
Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Dale Charles Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:07
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/30; E01C19/34; E01C19/40; E01C19/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1619083A
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US2038416A
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US2006316A
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US2090959A
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US2168507A
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US2397782A
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US3005387A
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US2999433A
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US3247770A
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US3015258A
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US3155021A
Cited
US3221618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |