US2815534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making a closed one-piece reinforced plastic tank
Assignee: Individual
•
Filing: 1954-07-12
•
Granted: 1957-12-10
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ising George Earl
- 👤 Theodore K Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:24
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; B29C70/446; B29C49/00; B29C49/42; B29C49/44; B29C70/443; B29D; B29D22/00; B29C43/00; B29C43/02; B29C43/10; B29C43/12; B29K; B29K2105/00; B29K2105/06; B29L; B29L2031/00; B29L2031/712; B29L2031/7126; Y; Y10; Y10S; Y10S220/00; Y10S220/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |