US3025773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of paving
Assignee: Individual
•
Filing: 1958-06-02
•
Granted: 1962-03-20
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Mcconnaughay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/27; E01C19/02; E01C19/10; E01C19/1054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF PRODUCING A PAVED SURFACE, COMPRISING THE STEPS OF DISTRIBUTING A COATING OF EMULSIFIED ASPHALT OVER A SUBGRADE, SPREADING A LAYER OF AGGREGATE ON SAID EMULSIFIED ASPHALT, AND AFTER SUCH APPLICATION OF EMULSION AND AGGREGATE TO THE SUBGRADE HEATING SAID EMULSION AND AGGREGATE FROM ABOVE BY A SUBSTANTIALLY INSTANTANEOUS FLAME BLAST IMMEDIATELY FOLLOWED BY A MORE PROLONGED BLAST OF HOT AIR TO HEAT SAID EMULSION AND AGGREGATE TO A TEMPERATURE SUFFICIENT TO CAUSE SAID EMULSION TO START TO BREAK AND TO EXPAND THE ASPHALT UPWARDLY AROUND THE INDIVIDUAL COMPONENTS CONSITUTING THE AGGREGATE AND FORM A CONTINUOUS SUBGRADE COVER OF SUBSTANTIALLY UNIFORM THICKNESS BONDED TO SAID AGGREGATE AND SUBGRADE, SAID HEATING OF THE EMULSION AND AGGREGATE BEING CONDUCTED WHILE THE EMULSION AND AGGREGATE ARE FREE FROM APPLIED PRESSURE.
Claim 2
Independent Claim
129 words
A METHOD OF PRODUCING A PAVED SURFACE, COMPRISING THE STEPS OF DISTRIBUTING A COATING OF EMULSIFIED ASPHALT OVER A SUBGRADE, SPREADING A LAYER OF AGGREGATE ON SAID EMULSIFIED ASPHALT, AND AFTER SUCH APPLICATION OF EMULSION AND AGGREGATE TO THE SUBGRADE HEATING SAID EMULSION AND AGGREGATE FROM ABOVE BY A SUBSTANTIALLY INSTANTANEOUS FLAME BLAST IMMEDIATELY FOLLOWED BY A MORE PROLONGED BLAST OF HOT AIR TO HEAT SAID EMULSION AND AGGREGATE TO A TEMPERATURE SUFFICIENT TO CAUSE SAID EMULSION TO START TO BREAK AND TO EXPAND THE ASPHALT UPWARDLY AROUND THE INDIVIDUAL COMPONENTS CONSITUTING THE AGGREGATE AND FORM A CONTINUOUS SUBGRADE COVER OF SUBSTANTIALLY UNIFORM THICKNESS BONDED TO SAID AGGREGATE AND SUBGRADE, SAID HEATING OF THE EMULSION AND AGGREGATE BEING CONDUCTED WHILE THE EMULSION AND AGGREGATE ARE FREE FROM APPLIED PRESSURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |