US2660040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saucer grid
Assignee: Individual
•
Filing: 1951-02-09
•
Granted: 1953-11-24
•
Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
- 👤 Martin F Babski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:39
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US125876A
Cited
US261811A
Cited
US361742A
Cited
US503508A
Cited
US566479A
Cited
GB189919337A
Cited
CH18899A
Cited
GB190800083A
Cited
US998322A
Cited
US948434A
Cited
US943162A
Cited
GB165617A
Cited
GB217689A
Cited
GB235951A
Cited
GB299659A
Cited
US2034478A
Cited
US2117266A
Cited
US2338296A
Cited
GB542788A
Cited
US2565046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |