US2866230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated rubber tubing and its production
Assignee: PULLMAN VACUUM CLEANER Corp
•
Filing: 1956-02-24
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Granted: 1958-12-30
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Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 Paul C Holte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:27
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29C; B29C2791/00; B29C2791/004; B29C2791/006; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/52; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1264506A
Cited
US2075735A
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US2347086A
Cited
US2513777A
Cited
US2631645A
Cited
US2712157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |