US2678468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented curing bag
Assignee: Uniroyal Inc
•
Filing: 1951-02-21
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Granted: 1954-05-18
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Expires: 1971-02-21
Abstract
No abstract record available.
Inventors
- 👤 Hubert T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0654; B29C; B29C33/00; B29C33/10; B29C43/00; B29C43/02; B29C43/10; B29C43/102; B29C43/104; B29C43/32; B29C43/36; B29C43/3642; B29D2030/0655; B29L; B29L2030/00; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1470657A
Cited
US1699600A
Cited
US2031560A
Cited
US1931649A
Cited
US2041534A
Cited
US2476831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |