US2867160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterstop connection
Assignee: Servicised Products Corp
•
Filing: 1954-10-01
•
Granted: 1959-01-06
•
Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Leroy C Wangerow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:42
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/38; E21D11/385; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6807; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317157A
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US317549A
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US1646427A
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US2166376A
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US2228052A
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US2295316A
Cited
US2400493A
Cited
US2368650A
Cited
GB579710A
Cited
US2401229A
Cited
US2699656A
Cited
US2765580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |