US3333429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
H-beam piling
Assignee: Individual
•
Filing: 1965-04-06
•
Granted: 1967-08-01
•
Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 John J Dougherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:02
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/72; E02D5/22; E02D5/24; E02D5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |