Patent US2834411A successfully refreshed from Google Patents.
US2834411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accordion-type door
Assignee: Individual
•
Filing: 1955-09-23
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Granted: 1958-05-13
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Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 Clements Macmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/72; E06B3/723; E06B3/32; E06B3/48; E06B3/481
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |