Patent US2880477A successfully refreshed from Google Patents.
US2880477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weatherstripping for thresholds
Assignee: Individual
•
Filing: 1955-04-19
•
Granted: 1959-04-07
•
Expires: 1975-04-19
Abstract
No abstract record available.
Inventors
- 👤 Aloysius T Kunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:43
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463886A
Cited
US784904A
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US1606407A
Cited
US1550533A
Cited
US1714920A
Cited
CH182911A
Cited
GB474492A
Cited
GB507866A
Cited
US2567610A
Cited
DE815538C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |