Patent US3448466A successfully refreshed from Google Patents.
US3448466A
Expired / Lapsed
US
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Coupling bolt with plastic head
Assignee: Trane US Inc
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Filing: 1967-12-22
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Granted: 1969-06-10
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Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Ioakim Haldopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:35
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/24; E03D1/26; E03C; E03C1/00; E03C1/12; E03C1/26; F; F16; F16B; F16B37/00; F16B37/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |