US2963783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal fittings
Assignee: WILLIAMSON Co
•
Filing: 1957-07-31
•
Granted: 1960-12-13
•
Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Field Jesse Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:47
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16L41/082; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/296; F16L41/02; F16L41/025; F24; F24F; F24F13/00; F24F13/02; F24F13/0236; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12257; Y10T428/12264; Y10T428/12354
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |