US2612244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel fastening for doors and window sashes
Assignee: Individual
•
Filing: 1950-07-20
•
Granted: 1952-09-30
•
Expires: 1970-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kiefer Augustine John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/60; E06B3/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US954094A
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US992393A
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US1000094A
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US1040572A
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US1178581A
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US1201338A
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US1223609A
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US1238747A
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US1794534A
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US2020360A
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US2119685A
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US2454975A
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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 |