US3362485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post driver
Assignee: JOHN J DYER SR
•
Filing: 1965-10-21
•
Granted: 1968-01-09
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Sr John J Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:59
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261; E04H17/263; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552; Y10T74/19; Y10T74/19991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2565224A
Cited
US3056306A
Cited
US3215209A
Cited
US3280924A
Cited
US3190369A
Cited
US3286534A
Cited
US3302731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |