US2612097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1947-01-03
•
Granted: 1952-09-30
•
Expires: 1967-01-03
Abstract
No abstract record available.
Inventors
- 👤 Richard B Pollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:14
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US924658A
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GB191223999A
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US2000511A
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US1832847A
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US1965519A
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US1972991A
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US2249641A
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US2320268A
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US2280389A
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US2340570A
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US2305445A
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US2416269A
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US2347137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |