US3045541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1958-09-08
•
Granted: 1962-07-24
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Bregman Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:51
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595541A
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US1461133A
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US1666304A
Cited
US951417A
Cited
US1024734A
Cited
GB392144A
Cited
US2357593A
Cited
US2754722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |