US3540837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple injection and grouting rod assembly
Assignee: Individual
•
Filing: 1968-12-27
•
Granted: 1970-11-17
•
Expires: 1988-12-27
Abstract
No abstract record available.
Inventors
- 👤 Michael C Pascucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:58
CPC Classifications
A; A01; A01M; A01M17/00; A01M17/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151304A
Cited
FR472715A
Cited
GB416391A
Cited
GB415326A
Cited
US2071758A
Cited
US2177792A
Cited
US2560619A
Cited
US2906056A
Cited
US3094846A
Cited
US3243962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |