US2899011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder step
Assignee: Individual
•
Filing: 1956-10-25
•
Granted: 1959-08-11
•
Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 Babits Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:51
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/16; E06C7/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB268709A
Cited
US2103603A
Cited
US2257863A
Cited
US2282133A
Cited
US2585150A
Cited
US2488633A
Cited
US2533050A
Cited
US2726901A
Cited
US2805104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |