US3439593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader
Assignee: Orlando Paving Co
•
Filing: 1966-09-30
•
Granted: 1969-04-22
•
Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles H Torman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/18; E01C19/185
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2757587A
Cited
US2848930A
Cited
US3109351A
Cited
US3131616A
Cited
US3130654A
Cited
GB1009497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |