US2966009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction units
Assignee: Individual
•
Filing: 1955-05-19
•
Granted: 1960-12-27
•
Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Koch Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:09
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE257175C
Cited
US430617A
Cited
GB191119854A
Cited
FR439869A
Cited
US2192752A
Cited
US2340263A
Cited
GB554865A
Cited
GB555765A
Cited
US2344223A
Cited
US2386473A
Cited
US2414738A
Cited
GB689167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |