US3139703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal cover for existing window frame
Assignee: Individual
•
Filing: 1961-04-26
•
Granted: 1964-07-07
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Hilt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:42
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/62; E06B1/64; E06B1/04; E06B1/34; E06B1/342; E06B1/70; E06B1/702; E06B1/705; E06B2001/622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US405232A
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US855696A
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US1921040A
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US1843056A
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US1950519A
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US1952957A
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US2687194A
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US2635720A
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US2851742A
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |