Patent EP0132947A1 successfully refreshed from Google Patents.
US3487602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window frame and glazing members for a metal door
Assignee: American Welding and Manufacturing Co
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Filing: 1967-05-24
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Granted: 1970-01-06
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Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Vincent C Braun
- 👤 Earle A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:42
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/60; E06B3/605; E06B3/5892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863722A
Cited
US1959597A
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US2116846A
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US2219714A
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US2694476A
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US2700441A
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US2827670A
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US2930459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |