Patent US3413174A successfully refreshed from Google Patents.
US3413174A
Expired / Lapsed
US
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Conveyor apparatus
Assignee: Goodrich Corp
•
Filing: 1965-03-15
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Granted: 1968-11-26
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Donald K Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:02
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/30; B29D30/3007; B29D30/0016; B29D30/28; B29D30/38; B29D30/44; B29D2030/4406; B29D2030/4418; B29L; B29L2030/00; B29L2030/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1665831A
Cited
US1915147A
Cited
US2346439A
Cited
GB586954A
Cited
US2588207A
Cited
US2832396A
Cited
US3038524A
Cited
US3071179A
Cited
US3170829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |