US2813751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic spraying apparatus
Assignee: SEALZIT Co OF AMERICA
•
Filing: 1955-04-18
•
Granted: 1957-11-19
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Francis E Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:53
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2486; B05B7/02; B05B7/08; B05B7/0807; B05B7/0846; B05B7/12; B05B7/1209; B05B7/2489; B05B7/2494; B05B7/2497; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; B29B7/7452
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) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |