US2950603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post driver
Assignee: Individual
•
Filing: 1954-09-07
•
Granted: 1960-08-30
•
Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Macek Matthew
- 👤 John W Macek
- 👤 Macek Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:50
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261; E04H17/263; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |