US2948943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tie bars for spacing curb forms
Assignee: Individual
•
Filing: 1955-07-05
•
Granted: 1960-08-16
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 Torrelli Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502; E01C19/506
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1309068A
Cited
US849664A
Cited
US947233A
Cited
GB190910548A
Cited
US1077079A
Cited
US1833509A
Cited
CH133408A
Cited
US1897530A
Cited
US2452325A
Cited
US2611169A
Cited
US2661517A
Cited
US2688787A
Cited
US2713711A
Cited
US2795836A
Cited
US2788560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |