US2903807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Individual
•
Filing: 1953-11-09
•
Granted: 1959-09-15
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Brunengraber Mates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:17
CPC Classifications
G; G04; G04B; G04B47/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US786610A
Cited
US1384293A
Cited
US1476256A
Cited
US1569946A
Cited
US1774015A
Cited
US1999133A
Cited
US2293940A
Cited
US2559211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |