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Patent US3446340A successfully refreshed from Google Patents.
US3446340A
Expired / Lapsed
US
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Caulking strip
Assignee: WILLIAM T MULLEN
•
Filing: 1967-06-30
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Granted: 1969-05-27
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Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 William T Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:22
CPC Classifications
B; B65; B65D; B65D85/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588717A
Cited
US1912076A
Cited
US2069032A
Cited
US2454821A
Cited
US2724876A
Cited
US3276334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |