US2888714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the rotational casting of inflating bulbs
Assignee: Davol Rubber Co
•
Filing: 1955-08-03
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Granted: 1959-06-02
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Calvin S Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
B; B29; B29D; B29D22/00; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29C41/34; B29C41/38; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29K2105/00; B29K2105/0058; B29K2105/0064; B29L; B29L2022/00; B29L2022/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2477899A
Cited
US2569869A
Cited
US2629134A
Cited
US2730765A
Cited
US2818604A
Cited
US2830325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |