US2701898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal storm sash structure
Assignee: BERNARD A WEYL
•
Filing: 1949-07-22
•
Granted: 1955-02-15
•
Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 William A Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:39
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US29631A
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US106928A
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US154276A
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US178292A
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US425462A
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US1812288A
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US2120614A
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US2174995A
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US2304063A
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US2292273A
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US2518207A
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US2541948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |