US2690901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Undulated nozzle tip
Assignee: GUNITE CONCRETE AND CONSTRUCTI
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Filing: 1951-01-22
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Granted: 1954-10-05
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Expires: 1971-01-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Mccormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:22
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12; B; B05; B05B; B05B15/00; B05B15/50; B05B15/52; B05B15/528; B05B7/00; B05B7/14; B05B7/1481; B05B7/149; B28; B28C; B28C5/00; B28C5/02; B28C5/026; Y; Y10; Y10S; Y10S239/00; Y10S239/19
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |